Pandian Pitchipoo

• M.E., Ph.D
• Professor at P.S.R. Engineering College

In this study, a complete characterization of fibres extracted from the spathe of the Cocos nucifera plant and the properties of spathe fibres are compared with coir fibre extracted from the outer husk of coconut. Coconut spathe fibre is available as bio waste in bulk. The spathe fibres were carefully extracted, pre-treated with NaOH, and porous no...

A novel variant of composite phase change materials (PCMs) has been developed by incorporating 0.5 wt% of Al 2 O 3 , SiO 2 , CuO, and Ag nanomaterials into myristic acid. In this formulation, myristic acid serves as the foundational material, while Al 2 O 3 , SiO 2 , CuO, and Ag are employed as supportive components. The morphology and crystalline...

The automotive industries have been compelled to build lighter, more fuel-efficient vehicles because of rising fuel costs and environmental laws. When the overall vehicle weight is reduced by adopting lightweight metals like aluminum-based composites, the fuel consumption also gets reduced. Aluminum-based composites are broadly used in the automoti...

A mechanical work piece created industrially frequently contains more than one machining process. Furthermore, it is a common activity of programmers, who make this selection every time a milling and drilling operation is conducted. Tool wear and borehole quality are two essential challenges for high precision drilling procedures, with Al 356 alloy...

Additive manufacturing technology, specifically Digital Light Processing (DLP), offers a unique approach to fabricating intricate objects without the need for traditional molds or machining. The technique described entails the incremental construction of layers through the curing process polymer, facilitated by a projection light source. Digital Li...

The unwanted sound is called noise. Noise from any direction can be reduced by employing sound-absorbing material. All materials have some sound absorption capabilities and can be efficiently regulated by selecting the right material and their construction. The effect of perforated panel thickness (A), hole diameter in the perforated panel (B), hol...

Natural composites have gained the interest of researchers due to its better features like environment friendly, cheap, and lightweight. It is treated as alternative material for polymer composites to prevent harmful releases. Hence, the characterization of natural fiber is vital to understand its ability as good source for composite fabrication. T...

The investigation found that the incorporation of MoS2 particles as reinforcement in Al–4% Mg material results in an increase in density and microhardness. The composite with 4% Mg and 6% MoS2 exhibited the highest percentage increase in the density up to 8.04%, and the highest percentage increase in the microhardness value of up to 33% as compared...

Even though the prototypes built using Fused Deposition Modelling (FDM) process are found to exhibit good mechanical properties, there are ample scopes to improve them by means of selecting suitable process parameters. Since the FDM process involves more number of process parameters, the selection of optimized values becomes more complex and time c...

The telecommunication segment has grown tremendously over the past few decades. Particularly smartphones have now turned out to be essential and have outperformed many gadgets like computers, cameras, etc. In this current scenario, smartphones become an essential product for all kinds of consumers such as students, teachers, businessmen, etc. And t...

Aluminum metal matrix composites remain sophisticated materials with a broad series of applications because of their high strength-to-weight ratio, better resistance to wear and corrosion, improved high-temperature zone applications, and reasonable machinability. Furthermore, when manufactured through the powder metallurgy process, the tribological...

IT and Telecommunication sector has grown massively over the past few decades. Mobile phones that were initially developed for making calls and now become an essential item and are just not restricted to calling. They have dominated most of the gadgets like computers, cameras etc. Regularly people come across an extensive number of enhanced and bet...

To encounter the issues in fusion welding, friction stir welding (FSW) was developed during the early 90s. On the abutting surfaces, the frictional heat is generated by the non-consumable tool which is used to weld the work piece. The quality of the weld is influenced by several parameters such as welding speed, rotational speed, and tool tilt angl...

Metal matrix composites (MMCs) give challenges during machining because of the reinforcements present in them as this ultimately leads to increased tool wear and a poor surface finish. Considering this, Al-Mg-MoS2 composite samples prepared using powder metallurgy process are employed under unconventional machining process like wire electrical disc...

The concept of fuzzy logic has been used to quantify the qualitative data in real-world decision-making problems. Evaluation and selection of supplier are the main problems where the decision depends on both quantitative and qualitative data. This paper proposes a fuzzy based modelling of an intelligent decision support system for a supplier select...

The present study deals with the extraction and characterization of untreated and silane-treated natural fibers from stems of Psidium guajava (Guava plants) for automobile brake pad applications. The extraction of fibers was done from the Psidium guajava plant stems by the retting process followed by silane treatment. The untreated and silane-treat...

Friction stir welding (FSW) is a type of welding in which the joint is made in the solid phase using the heat generated through friction. FSW is used to produce welds with superior strength with low distortion. At present, the FSW technique is enormously applied in aerospace-related applications. In the present study, a multi objective optimization...

The natural fibers such as coir, flax, oil palm, jute etc are widely used in civil construction and automobile industries based on their advantages like eco friendlyness as well as their enhanced performances whereas the synthetic fibers namely kevlar, carbon and glass yield higher production costs. Hence in this present work, a new natural fiber,...

In this study, powder metallurgy process has been utilized to produce the composite materials. Pure aluminium (Al) has been selected as the matrix material for the preparation of composite materials. 4% of magnesium (Mg) has been added as the alloying element, whilst molybdenum disulphide (MoS 2 ) is reinforced with a varying wt.% (2, 4 & 6). The i...

Honeycomb structures are widely applied to many aerospace applications nowadays. Research in the successful manufacturing of sandwich composites itself is a thrust area to many advanced materials researchers. Nevertheless, in real service conditions, all the produced sandwich structures are commissioned after many machining processes. Abrasive wate...

Purpose This paper aims to deal with the synergistic effect of steel slag-molybdenum disulfide particles on fade-recovery performances of non-asbestos organic friction material. Design/methodology/approach The brake friction materials were developed by using steel slag and molybdenum disulfide particles as individual and combination in the formula...

Day by day upgrading new technologies for the engine performance in the two-wheeler sector has rushed the normal speed of the motorcycle to the maximum limit which trends in the risk of motorcycle frontal impact causing foremost knee and lower leg/foot injuries. But, there is minimum scope of the vehicles safety during the impact like frontal colli...

Abrasive water jet (AWJ) cutting is one of the fastest growing machining processes which can machine almost any engineering material. However, the cutting capability of AWJ in terms of kerf quality is one of the major obstructions limiting its applications. Kerf angle, an important cutting performance measure, is a special geometric feature inheren...

This investigation studies the dry sliding wear behavior of Al-4Mg matrix composites reinforced with different wt% of molybdenum disulfide (2, 4 & 6 wt%) produced using powder metallurgy route. The processed powders are initially characterized by Scanning Electron Microscopy (SEM) equipped with Energy Dispersive x-ray Spectroscopy (EDS). To authent...

The job shop scheduling problem (JSSP) is a standout amongst the most difficult combinatorial improvement issues. Flexible job shop scheduling is an augmentation of the JSSP that permits an action to be processed by any machine from a given set along with various courses. This paper exhibits another method in view of a social insect method to expla...

Statistics show that around 60% of road accidents occur due to poor visibility of driver and fatigue. Visibility of the driver while driving depends on the factors like blind spot, glare, weather and conditions of the head lamps of both own and the vehicle from opposite side. Among these, blind spot is the prime factor for accidents irrespective of...

The supplier selection and purchasing decision in any supply chain have become key decisions because it provides opportunities to reduce costs and, consequently, increase profits. The cost of purchase represents the largest percentage of the total product cost. Hence, the supplier selection draws the interest of the researchers because the selectio...

Job shop scheduling problem (JSSP) is an NP-hard problem and one of the most intractable combinatorial optimization problems in the manufacturing industry. An optimal solution to JSSP optimizes machine utilization, reduces lead times, improves efficiency of the manufacturing system and reduces costs. As the number of jobs and machines increases, th...

The aim of this study is to investigate optimization process parameters for friction stir welding (FSW) for an optimal parameter combination to have better hardness and tensile strength using COPRAS decision model. The friction stir welding parameters considered are tool rotational speed (r.p.m), welding speed (mm/min), dwell time (min) and tool ti...

The road accidents are common nowadays and the visibility of the driver is the prime factor in such accidents. Many lives as well as money have been lost during accidents. Reduction of blind spot area improves the area of visibility of the driver which leads towards the reduction of the accidents. This paper aims to optimise the blind spot area by...

The road accidents are common nowadays and the visibility of the driver is the prime factor in such accidents. Many lives as well as money have been lost during accidents. Reduction of blind spot area improves the area of visibility of the driver which leads towards the reduction of the accidents. This paper aims to optimise the blind spot area by...

Higher thermal efficiency is expected in any internal combustion engine. Various components of a combustion chamber are made of different materials. It is better to provide suitable thermal barrier coating to get the maximum thermal efficiency and improve performance. In this paper the tribological and thermal properties of the Calcia-stabilized Zi...

The solutions for many problems in the real world involve by considering multiple criteria which is known as Multi Criteria Decision Making (MCDM). This paper discusses the use of Fuzzy Analytical Hierarchy Process (FAHP) as a tool to compute the weights of criteria. FAHP is an integrated concept in which Analytical Hierarchy Process (AHP) is combi...

This paper investigates the multi-criteria optimization of gas metal arc welding (GMAW) process for better parametric combination to yield good mechanical strength of welded joints using hybrid grey relational analysis. The strength of welded joints in GMAW depends on several input process parameters such as wire speed, travel angle, arc voltage, c...

The main aim of this work was to study the effects of chemical treatments on veldt grape fibers (VGFs) and their composites with unsaturated polyester (UP) as the matrix. Alkalis such as sodium hydroxide (NaOH) and calcium hydroxide [Ca(OH)2] and silane coupling agent (NaOH + silane) were used to modify the surface of optimally selected 40mm long f...

Statistics reveals that the visual problems are the prime reasons for a larger number of road accidents. The blind spot is the major problem related to vision. The aim of this study is to develop a fuzzy-based multi criteria decision-making model for optimizing the area of the blind spot in the front and sides of a heavy transport vehicle. To achie...

This current research is focussed on the study of the physical, chemical, mechanical and thermal properties of a newly identified natural stem fiber - Cyperus Pangorei. The chemical compositions of Cyperus Pangorei Fibers (CPF) such as cellulose, lignin, ash, moisture and wax contents were evaluated. Besides these, the fiber density was determined...

This article described about the effect of surface modification on newly identified natural fiber in the name of veldt grape stem fibers (cissus quadrangularis) were extracted and investicated. The extracted veldt grape stem fibers (VSF) is treated with alkali chemical with various concentrations like 5%, 10 % and 15 % for a constant soaking time o...

In this paper, multi objective optimization of Gas Metal Arc Welding GMAW) parameters are carried out to yield good mechanical strength in welded joints. Most of the failures are occurred on the welded elements due to the setting of improper welding parameters. The strength of welded joints in GMAW depends on several input process parameters such a...

Blind spot is a key phenomenon related to the visibility of the driver while he is driving. It plays a vital role in road accidents. Reduction of the area of blind spot is very much required in order to reduce the accidents. In this paper an attempt is made to overcome the problems of blind spot by optimizing the design parameters used in the rear...

In this paper, main effect calculation of Gas Metal Arc Welding (GMAW) parameters are carried out to yield good mechanical strength in welded joints. The failures on the welded elements are occurred due to the selection of improper welding parameters. The strength of welded joints in GMAW depends on welding current, welding voltage, gas flow rate,...

Maximum thermal efficiency is expected in any internal combustion engine. Various components of a combustion chamber are made of different materials. It is better to provide suitable thermal barrier coating to get the maximum thermal efficiency and improve performance. The goal of this project is to determine both temperature distribution and therm...

Statistics show that around 60% road accidents occur due to poor visibility of driver & fatigue. Reduction of blind spot area (Fig.1) improves the area of visibility of the driver which reduces the causes of the accidents. The driver seat design plays vital role in the driver’s visibility while he is in the driver seat. This aim of this paper is to...

Selecting the right suppliers significantly reduces the purchasing costs and improves corporate competitiveness. The importance on quality and timely delivery of raw materials plays a major role, since most of the industries have been spending around 60% of their revenues on purchasing. The supplier selection problem involves multiple conflicting t...

Many decisions made in real world environment are depending on the evaluation of several influencing criteria called multi criteria decision making (MCDM) problems. The crucial part of MCDM problem is the determination of weights to the evaluation criteria. Improper weights lead poor decisions. Several methods are used to find the weights of the cr...

The morphological, physicochemical, mechanical and thermal properties of Veldt-grape stem fibre and wild date palm leaf stalk fibre are described in this work, which are seldom studied before. The botanical name of Veldt-grape stem fibre and wild date palm leaf stalk fibre are known as Cissus quadrangularis and Phoenix reclinata, respectively. The...

Competitive international business environment has forced many firms to focus on supply chain management to cope with highly increasing competition. Selecting the right suppliers in the supply chain significantly reduces the purchasing costs and improves corporate price competitiveness. The emphasis on quality and timely delivery in today’s globall...

The supplier management is one of the key issues of supply chain management because the cost of raw materials and components constitutes the main cost of a product. Selection of right supplier to meet the production demand is a prime problem in all manufacturing and process industries. A critical part of the supplier selection process is the determ...

While driving, blind spot is a key phenomenon related to the visibility of the driver. Blind Spots play a vital role in road accidents. Reduction of blind spot area is very much required to reduce the accidents. In this paper, an attempt is made to overcome the problems of blind spot by optimizing the design parameters used in the rear view mirror...

The visibility of a driver is the key phenomenon in the road accidents. Reduction of blind spot improves the area of visibility which leads to reduce the possibility of the accidents. In this paper an effort is taken to reduce the blind spot area through the optimization of design parameters used in the design of rear view mirror in heavy vehicles....

Indian statistics reveal that more than 60% accidents occur due to poor visibility. Visibility is related to the factors like blind spot, brightness of lights, reflection of lights and eyes power to regain its original vision etc. Among those, the blind spot is the key phenomenon. Blind spots exist in a wide range of vehicles such as cars, trucks,...

Indian statistics reveal that more than 60% accidents occur during night time. Poor visibility, driver’s visual fatigue & performance etc were identified as prime factors for more accidents during night time. Visibility is related to the factors like glare, brightness, scattered right, insufficient light, reflection of lights, eyes power to regain...

This paper presents the development of a model based decision support system with a case study on solving the supplier selection problem in a chemical processing industry. For the evaluation and selection of supplier, the analytical hierarchy process (AHP) and grey relational analysis (GRA) were used. The intention of the study is to propose an app...

Surface modification of natural fiber may greatly enhance the mechanical interlocking between fiber and matrix. Although there are many reports on surface modification of natural fibers, little technical information is available to enable the selection of optimized surface modification conditions. In this work, treatment parameters, such as bath te...

This paper presents the development of a model based decision support system with a case study on solving the supplier selection problem in a chemical processing industry. For the evaluation and selection of supplier, the analytical hierarchy process (AHP) and grey relational analysis (GRA) were used. The intention of the study is to propose an app...

Supply chain management (SCM) adopts a systematic and integrative approach to manage the operations and relationship among different parties in supply chain. There are lots of issues affect the successful implementation of supply chain. One of the major issues is suppler evaluation and selection. Efficient supplier selection process is a central pa...

Supply chain management (SCM) adopts a systematic and integrative approach to manage the operations and relationship among different parties in supply chain. There are lots of issues affect the successful implementation of supply chain. One of the major issues is suppler evaluation and selection. Efficient supplier selection process is a central pa...

Supply chain management is one of the key concepts used in the present competitive industrial environment. The evaluation, selection and continuous measurement of suppliers are the major decision processes performed in any organization. The supplier selection attracts the attention of researchers because selection of supplier is not only a cost red...

The driver seat design should be in such a way to overcome the problems of blind spots with respect to driver’s visibility while in the driver seat. This paper identifies the area of blind spots to the left and right side of the driver and also the length in front of the driver who uses the conventional or usual driver seat. The blind spots of the...

Competitive international business environment has forced many firms to focus on supply chain management to cope with highly increasing competition. Selecting the right suppliers in the supply chain significantly reduces the purchasing costs and improves corporate price competitiveness. The emphasis on quality and timely delivery in today’s globall...

This paper proposes a structured, integrated decision model for evaluating suppliers by combining the fuzzy analytical hierarchy process (FAHP) and grey relational analysis (GRA). The qualitative and partially-known information is incorporated in this decision model using the fuzzy set theory. In this proposed methodology, the weights of the evalua...

In this competitive business environment, most of the process industries are forced to focus on Supply Chain Management (SCM). The customer satisfaction is the main objective for SCM. For that the flow of material, funds and information between the supply chain elements must be effective. The major operative functions of SCM are planning, purchasin...

This paper presents the findings of an experimental investigation on the effects of applied load, sliding velocity, wt.% of reinforcement and hardness of the counterface material in dry sliding wear studies performed on red mud-based aluminum metal matrix composites (MMC). The specific wear rate and the coefficient of friction are considered as the...

Supplier selection is increasingly recognized as a critical decision in supply chain management in both manufacturing and process industries. In such industries the procurement department often plays an important role in reducing purchasing cost and selecting appropriate suppliers. The supplier selection problem is a multi criteria unstructured pro...

In this competitive business environment, most of the industries are forced to focus on Supply Chain Management (SCM). The major operative functions of SCM are planning, purchasing, production and marketing. Among this, purchasing is the critical issue in which lot of time and revenue are spent. To overcome this issue, selection of right supplier i...

The supplier selection process has gained importance recently due to the considerable amount of revenue spent on purchasing. The intention of this work is to develop an appropriate hybrid model by integrating the analytical hierarchy process (AHP) and grey relational analysis (GRA) for supplier evaluation and selection, which comprises three stages...

Supplier selection is an important phase of a supply chain. The objective of supplier selection is to reduce purchasing risk, maximize overall value to the purchaser and build a long term, reliable relationships between buyers and suppliers. The supplier selection problem is a multi objective problem involving both qualitative and quantitative fact...

Supplier selection is recognized as a critical decision in supply chain management in process industries. In such industries the procurement department plays an important role in reducing purchasing cost and selecting appropriate suppliers. The supplier selection problem is a multi criteria unstructured problem. Several key factors like quality, co...

The selection of appropriate supplier is one of the most critical decisions in the competitive business environment. In this study a decision support model has been developed for supplier selection using analytic hierarchy process by considering both qualitative and quantitative criteria. The proposed model is illustrated with a case study of an el...

Supplier selection is increasingly recognized as a critical decision in supply chain management in both manufacturing and process industries. In such industries the procurement department often plays an important role in reducing purchasing cost and selecting appropriate suppliers. The supplier selection problem is a multi criteria unstructured pro...

Metal Inert Gas (MIG) welding is one of the major metals joining process used to fabricate many engineered artifacts and structure such as cars, ships, space shuttles and pipe lines. Flaws resulted from welding operations are detrimental to the integrity of the fabricated artifacts or structure. Although the welding process is carried out as manual...

The supplier selection process has gained importance recently due to the considerable amount of revenue spent on purchasing. The intention of this work is to develop an appropriate hybrid model by integrating the analytical hierarchy process (AHP) and grey relational analysis (GRA) for supplier evaluation and selection, which comprises three stages...

In this competitive business environment, most of the process industries are forced to focus on Supply Chain Management (SCM). The operative functions of SCM are planning, purchasing, production and marketing. Among this, purchasing is the key process because more than 60 % of the cost of the product is involved in the purchase of the raw material....

In this competitive business environment, most of the process industries are forced to focus on Supply Chain Management (SCM). The operative functions of SCM are planning, purchasing, production and marketing. Among this, purchasing is the key process because more than 60 % of the cost of the product is involved in the purchase of the raw material....

The selection of right supplier to meet production demand is the most critical decision making process in all manufacturing and process industries. The supplier selection problem involves many tangible and intangible conflicting factors. The most significant issues which are considered at the time of supplier selection decisions are what criteria s...

Selection of proper supplier to meet production demand is a major problem in all manufacturing and process industries. The procurement department conducts a supplier evaluation on each supplier before selecting suppliers. This process is performed based on the previous performance records of that organization. However these methods are less objecti...

The supplier selection problem involves many tangible and intangible conflicting factors. The most significant issues which are considered at the time of supplier selection decisions are what criteria should be used and what methods can be used to compare suppliers. The intention of this study is to propose an integrated model for supplier selectio...

In this competitive business environment, most of the process industries are forced to focus on Supply Chain Management (SCM). The major operative functions of SCM are planning, purchasing, production and marketing. Among this, purchasing is the key process because huge investment of financial resources is involved. In most of the industries, more...

In this competitive business environment, most of the process industries are forced to focus on Supply Chain Management (SCM). The major operative functions of SCM are planning, purchasing, production and marketing. Among this, purchasing is the key process because huge investment of financial resources is involved. Supplier selection is increasing...

The purpose of this paper is to develop a soft computing tool for forecasting the sales in order to control the inventory in a manufacturing industry. In this paper, the authors propose an Artificial Neural Network (ANN) model for forecasting the sales by using the past history of sales. The model is illustrated with a case study of a fastening ind...