Anandakrishnan Veeramani

Anandakrishnan Veeramani
National Institute of Technology Tiruchirappalli | nit-t · Production Engineering

Doctor of Engineering

About

88
Publications
11,287
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1,202
Citations
Additional affiliations
May 2005 - October 2008
SASTRA University
Position
  • Lecturer

Publications

Publications (88)
Article
Additive manufacturing is critical to repair, rebuild, and rapidly manufacture major components in today's manufacturing environment. Wire arc additive manufacturing technique using metal inert gas welding, which is a better way to produce large-scale parts at a subsidized cost was experimented on Incoloy 825 due to its many industrial applications...
Article
Full-text available
Aluminum alloys with silicon, magnesium, and copper were extensively used alloying elements in various applications because of their excellent properties. In recent decades, aluminum matrix composites (AMCs) are an advanced engineering material widely utilized in diverse engineering applications, including aircraft, automobile, marine, and shipbuil...
Article
Full-text available
Manufacturing industries are looking for the new materials everyday due to the rapid development in the technology and the need for excellent mechanical, thermal, wear and physical properties with low cost. Recently, composite materials have been used widely everywhere because of their exceptional characteristics and easiness in manufacturing. Sinc...
Article
In the present investigation, an Al-Zn-Mg-Cu alloy matrix was reinforced with titanium carbide (TiC) particles and a composite fabricated using multi-pass recursive friction stir processing. To prevent spillage of reinforcement particles during fabrication, a novel method of combining reverse engineering and geometric reconstructive technique was u...
Preprint
Full-text available
Additive manufacturing through electron beam, is an attractive and fast growing additive manufacturing process for complex geometry in the aerospace, automotive and rapid tooling industry. Ti6Al4V is the material which is widely used in aerospace industry owing to its good strength-to-weight ratio, higher strength and toughness and admirable corros...
Article
In this work, an Al–Zn–Mg–Cu/TiC metal–matrix composite was fabricated through recursive friction stir processing, and its microstructure, hardness, and tribological properties were investigated. Microstructure examination revealed a homogeneous dispersion of TiC particles in the matrix after six recursive passes. The grains were significantly refi...
Article
In-situ aluminium alloy 8011 matrix composites containing different weight percentages of titanium diboride were synthesized by flux assisted synthesis using stir casting technique. The metallurgy of the in-situ AA8011-TiB2 composites was analyzed using X-ray diffractometer, scanning electron microscope and energy dispersive spectroscope to dissemi...
Article
In this work, the dry sliding wear behaviour of recursively friction stir processed AA7075 was investigated using a pin-on-disc wear testing apparatus. The microstructure of the processed specimen was probed using optical microscopy, transmission electron microscopy and atomic force microscopy. Experiments were conducted using Taguchi experimental...
Article
The need of engineered materials with high strength to weight ratio was instrumental for the development of a novel magnesium metal–metal composite with the addition of titanium (reinforcement) and aluminum (alloying element) through disintegrated melt deposition technique. The X-ray diffraction analysis and scanning electron microscopy analysis us...
Article
Purpose This study aims to investigate and present the tribological behaviour of recursively friction stir processed 7075 aluminium alloy. Design/methodology/approach In this work, aluminium 7075 alloy is friction stir processed recursively by varying the tool rotational speed, traverse speed and the number of passes. Wear pins for testing were ex...
Article
Purpose Aerospace and defence industries use the materials having better properties at elevated temperatures, and Inconel 718 is one of that. The complexity in realizing complex and intricate shapes necessitate the product realization through additive manufacturing. This paper aims to investigate the wear behaviour of additive manufactured material...
Article
AA6061 composites is the most interesting engineering material that have the ability of fulfilling the demands of recent engineering applications used in sectors like automobile, defence, aerospace and marine industries. This demand is due to reducing production cost, improved mechanical properties, formability and easier production technique. Sele...
Article
Purpose The purpose of this study is to analyse and optimize the wear parameters of magnesium metal-metal composite. Materials with lesser weight attract both the researcher and industrialists, as it exhibits the performance improvement in the automotive and aerospace industries. The enrichment of mechanical and tribological properties of the exist...
Article
An aluminum alloy 8011 was reinforced with varying weight percentages of TiB 2 using an in situ stir casting technique by adding inorganic halide salts of K 2 TiF 6 and KBF 4 in molten AA8011 matrix alloy. X-ray diffraction and scanning electron microscopy were performed on the cast materials to confirm the presence and distribution of the reinforc...
Article
Abrasive water jet machining is the foremost, premier non-conventional machining technique that extends a fruitful alternative to conventional techniques as it cuts nearly 12 times quicker when compared to traditional machining techniques. The current study is targeted to predict the abrasive water jet machinability of AA2014 aluminium alloy with a...
Article
Wire Arc Additive Manufacturing underwent remarkable development in the past decade. In the present work effect of welding parameters on additively deposited layer width is investigated. MIG welding is chosen for the present study and Inconel 825 having high industrial application is selected as wire spool. This paper is concentrating on the effect...
Article
Wire based Additive Manufacturing provides an attractive option to powder-based processes due to their high deposition rates. In the present work effect of welding parameters on pre-positioned wire Electron Beam additively deposited layer width is investigated. Electron Beam welding is chosen for the present study and Ti6Al4V having high aerospace...
Article
The intent of this work is to synthesize Al-Fe-Cu-Si-Zn alloy (AA8079)at different milling hours, i. e. 1, 10, 20, 30 and 40 h, by mechanical aloying (MA). X-ray diffraction (XRD) and scanning electron microscope (SEM) analysis was carried out for the milled powders. From the SEM images, a significant change in the size and shape of the particle wa...
Article
Aluminium alloy AA2014 was subjected to abrasive water jet machining with the abrasive particle as silicon carbide. Though several parameters are there, the most critical parameters such as traverse speed, pressure, mass flow rate and standoff distance was considered for machining. The selected parameters were varied at three levels, and an L9 orth...
Article
Magnesium based metal-metal composite was synthesized through the disintegrated melt deposition technique with the inclusion of aluminium and titanium powders. To examine the metallurgical features of the metal-metal composite the samples of the produced composite was subjected to x-ray diffraction analysis and scanning electron microscopy analysis...
Article
AA7075 alloy in T6 condition is friction stir processed using a H13 tool with square profiled pin. Tool rotational speed and traverse speed are the two major input factors chosen for the study. A constant plunge depth is maintained for every pass to generate adequate input. Experiments are conducted at different levels of tool rotational speed and...
Chapter
An economic system of magnesium matrix composites was prepared through powder metallurgy technique by varying the reinforcement weight percentage. The developed composite is prepared for the metallographic studies as per the standards and subjected X-ray diffraction (XRD), optical microscopy, and scanning electron microscopy (SEM) analysis to visua...
Chapter
An economic system of magnesium matrix composites was prepared through powder metallurgy technique by varying the reinforcement weight percentage. The developed composite is prepared for the metallographic studies as per the standards and subjected X-ray diffraction (XRD), optical microscopy, and scanning electron microscopy (SEM) analysis to visua...
Chapter
Direct metal laser sintering is one of the rapid prototyping techniques, which has the ability to fabricate the components with a wide range of materials and with varying geometries. With this technique, the Inconel 718 material was fabricated in three different build orientations (horizontal, vertical, and angular). Further, the fabricated samples...
Chapter
The composite system of AA 8011-ZrB 2 (0, 4 and 8 wt%) was synthesized by using economical and efficient fabrication method of in situ stir casting technique and the corrosion behaviour was investigated. The fabricated samples were exposed to X-ray diffraction and scanning electron microscope to confirm the existence of ZrB 2 and for the study of t...
Article
Full-text available
Investigation of the parameters variation over the abrasive water jet machining of aluminium 2014 alloy was studied using the Taguchi technique. Traverse speed, standoff distance, pressure and mass flow rate were considered as the process parameters and were varied at three levels. The depth of cut was taken as the response, and it was measured and...
Article
Full-text available
Micro-machining is one of the basic technologies for the production of miniature parts and miso components. Electrochemical micro-machining (ECMM) is an emerging non-conventional technology for making micro-scale components. The main objective of this paper is to maximize the metal removal rate (MRR).The process parameters were considered such as e...
Article
Aluminium alloy 8011 matrix composites reinforced with different weight percentages of ZrB2 were successfully fabricated using an in-situ casting technique. X-ray diffraction and scanning electron microscopic analyses were performed to examine the presence and distribution of the reinforcements in the composites. Wear tests were performed with the...
Article
Composite materials with aluminium alloy 8011 matrix and 0, 4 and 8 weight percentages of ZrB 2 reinforcements were synthesized by in-situ stir casting process. The presence and homogeneous distribution of the reinforcements were examined with X-ray diffraction analysis and scanning electron microscopic analysis. To investigate the effect of dry sl...
Article
Purpose Aluminium is the most preferred material in engineering structural components because of its excellent properties. Furthermore, the properties of aluminium may be enhanced through metal matrix composites and an in-depth investigation on the evolved properties is needed in view of metallurgical, mechanical and tribological aspects. The purp...
Article
Micro-machining is one of the basic technologies for the production of miniature parts and miso components. Electrochemical micro-machining (ECMM) is an emerging non-conventional technology for making micro-scale components. The main objective of this paper is to maximize the metal removal rate (MRR).The process parameters were considered such as e...
Article
Hybrid aluminium metal matrix composites reinforced with 20 wt% of silicon carbide and 3 wt% of yttria at three different aspect ratios of 0.75, 1 and 1.25 was successfully fabricated through powder metallurgy. The state of reinforcements was examined through the X-ray diffraction analysis and scanning electron microscopy analysis. The cold upset e...
Article
Hybrid copper matrix composites containing 5 wt.% of titanium dioxide and varying graphite content (0 wt.%, 2 wt.% and 4 wt.%) were synthesized using powder metallurgy. Metallurgical studies were carried out to examine the presence and distribution of reinforcements in the copper matrix. To investigate the forming behavior of the sintered composite...
Article
Full-text available
AA6063-TiC composites have several weight percentages up to 9 wt. % were fabricated by using stir casting route method. The effects of the weight percentage of TiC particles on the microstructures and corrosion behavior of AA6063-TiC composites were studied. The results revealed that the AA6063-TiC composites exhibited higher density than the AA606...
Article
This study investigates the synthesis, characterization, and corrosion behavior of AA6063 composites with the inclusion of micron-sized titanium carbide (TiC) particles with different weight percentages. AA6063/TiC particulate composites containing 0, 3, 6, 9, and 12 weight percent of TiC particles were produced by stir casting. The homogeneous dis...
Article
Copper based hybrid composite materials with 5wt.% of titanium dioxide and 0wt.%, 2wt.% and 4wt.% of graphite were produced using powder metallurgy technique. The presence and distribution of titanium dioxide and graphite reinforcements were examined in the copper matrix using scanning electron microscopic and energy dispersive spectroscopic analys...
Article
Aluminum hybrid composites were synthesized using powder metallurgy process from ball milled powders to yield the compositions like: Al+0%TiO2, Al+5%TiO2, Al+5%TiO2+2%Gr and Al+5%TiO2+4%Gr. SEM and EDAX analysis of sintered preforms show the uniform distribution of the reinforcements. Hot upset process was carried out after heating the preforms at...
Article
The quest for advanced functional materials with superior functionality is being driven in various frontiers of engineering materials. One such frontier is the research of metal matrix composites (MMCs), which has already been proven as one of the most productive fields. With advance technology, it is possible to reinforce the MMCs with nanosized p...
Article
Aluminum matrix composite with 10 wt% of MoO3 particulate reinforcement was synthesized through powder metallurgy technique. The cold upsetting studies of the composites were investigated based on Taguchi L9 orthogonal array experimental design to evaluate the significance of compaction pressure, sintering temperature, and sintering time on strengt...
Article
Aluminum-based metal matrix composites with various weight percentages of TiO2 reinforcement were synthesized by powder metallurgy technique and their forming characteristics were completely studied during cold upsetting under plane stress state conditions. The milled powders were characterized by scanning electron microscope, X-ray diffraction (XR...
Chapter
This chapter investigates two important processing methods, such as welding and machine of duplex stainless steel. The welding process welding generally degrades the properties of these materials by redistributing the phases during melting and solidification. On the other hand, the redistribution during machining mainly take place combined effect o...
Article
Full-text available
The cold upsetting studies were carried out for the aluminium metal matrix hybrid composites in the present study. Aluminium metal matrix hybrid composites were synthesised through powder metallurgy route from ball-milled powders to yield the following compositions: Al + 2.5 wt% TiO2 + 2 wt% Gr, Al + 2.5 wt% TiO2 + 4 wt% Gr, Al + 5.0 wt% TiO2 + 2 w...
Article
The present work aims to investigate the dry sliding wear behaviour of AA 6061 nanocomposites reinforced with various nanolevel reinforcements, such as titanium carbide (TiC), gamma phase alumina (gamma-Al2O3) and hybrid (TiC + Al2O3) nanoparticles with two weight percentages (wt.%) prepared by 30 h of mechanical alloying (MA). The tests were perfo...
Article
The present study examines the method of depositing nickel and tungsten on die steel surface by means of dispersing these elements in dielectric fluid in an electrical discharge alloying (EDA) process. The modified surface was mechanically and metallurgically characterized using Scanning Electron Microscopy (SEM), Energy-Dispersive X-ray spectrosco...
Article
Full-text available
Al+2.5%TiO2+Gr composites were synthesized through powder metallurgy technique and their workability behavior has been studied under tri-axial stress state condition. The powders were compacted using suitable punch and die in 400 kN hydraulic press and sintered at a temperature of about 590 °C for a period of 3 hours in an electric muffle furnace....
Article
This work is a novel attempt to identify the optimum process parameters in cold upsetting of Al-TiC metal matrix composites with multiple responses using grey Taguchi approach. The formation of barrel and workability are the important attributes that greatly influence the process of upsetting. Three independently controllable process variables, nam...
Article
Full-text available
a b s t r a c t In this work, effect of machining parameters cutting speed, feed rate and depth of cut, geometrical parameters cutting insert shape, relief angle and nose radius were investigated and optimized using Taguchi based grey relational analysis. 18 ISO designated uncoated cemented carbide inserts of different geometries were used to turn...
Article
High strength 7075 aluminum matrix composites with 4 and 8 wt.% of TiC particulate reinforcement was synthesized by reactive in situ casting technique. X-ray diffraction analysis and scanning electron microscopy were used to confirm the presence of TiC particles and its uniform distribution over the aluminum matrix. The dry sliding wear behavior of...
Article
Full-text available
In this work, under varying machining conditions the performance of multilayered coated carbide inserts are experimentally investigated using a hybrid Taguchi-Grey relational analysis. Two multi-layered coated inserts TiN/TiCN/Al2O3 and TiN/TiCN/Al2O3/TiN are used for turning AISI D3 Die steel. Taguchi’s mixed level of Design of Experiments (DoE) a...
Article
Full-text available
Aluminum metal matrix hybrid composites were synthesized through powder metallurgy route from ball milled powders to yield the compositions: Al + 0% TiO2, Al + 2.5% TiO2, Al + 2.5% TiO2 + 2% Gr, and Al + 2.5% TiO2 + 4% Gr. The densification and deformation properties of sintered Al–TiO2–Gr composites during cold upsetting were investigated experime...
Article
Al7075 and Al2O3 powders were synthesized via high-energy ball mill for 15 h. Al7075 powders were mixed with 10 vol. % Al2O3, compacted by cold uniaxial compaction at 400 MPa. The green pellets were degassed at 350 oC for 30 min, and then sintered in the temperature of 600 oC under argon atmosphere for 120 min. It was shown that better density, vic...
Article
Al7075alloy and Al2O3 powders were synthesized via high-energy ball mill for 5 h. Al7075alloy powders were mixed with Al2O3 ranging from 5 to 15 vol. %, compacted by cold uniaxial compaction at 400 MPa. The green pellets were degassed at 350 °C for 30 min, and then sintered in the temperature of 600 °C under argon atmosphere for 120 min. It was sho...
Article
Electrical discharge alloying was performed on AISI-D2 steel using Ni-W powder mixed dielectric in order to improve the hardness and to reduce the specific wear rate. The alloyed layer was characterized using optical microscopy, scanning electron microscopy, X-ray diffraction analysis and energy-dispersive spectroscopy. Wear tests were conducted ba...
Article
The main objective of the present work is to investigate the dry sliding wear behaviour of a magnesium matrix composite reinforced with zinc oxide nano-particles. Magnesium matrix composites have many applications, especially in the automotive and aerospace industries, due to their superior specific properties. A magnesium matrix composite with 0.5...
Article
Aluminum-based metal matrix composites with various weight percentages (0, 2.5, 5, 7.5, and 10) of TiO2 reinforcement were synthesized by means of powder metallurgy and their workability behavior under triaxial stress-state conditions was completely studied during cold upsetting. Green cylindrical compacts were made using a 400 kN hydraulic press w...
Article
The optimization of dry sliding wear process parameters of in-situ aluminium based metal matrix composites to obtain multiple objectives to minimize wear rate, specific wear rate, co-efficient of friction and maximize wear resistance was attempted by Taguchi Grey Relational Analysis. Moreover to identify the significance of the parameters, a statis...
Article
The AA7075-4%TiC metal matrix composite produced through in-situ casting technique was hot extruded and subjected to annealing at 415°C for 150 minutes. Another set of hot extruded AA7075-4%TiC metal matrix composite was heat treated to T6 condition. Dry sliding wear test was conducted with different sliding speeds and loads for both annealed and T...
Article
Aluminium-based metal matrix composites were synthesized from Al-TiO2-Gr powder mixtures using the powder metallurgy technique and their forming characteristics were studied during cold upsetting. Green cylindrical compacts of pure Al, Al-5wt%TiO2, Al-5wt%TiO2-2wt%Gr, and Al-5wt%TiO2-4wt%Gr were made using a 400-kN hydraulic press equipped with sui...
Article
The aim of the present investigation has used to predict the stress formability index and the pore closure behavior of the sintered Al-SiC composites. Aluminium composite powder reinforced by silicon carbide containing 10% and 20% SiC. Three different sintering time intervals were proposed namely 1.5, 3 and 4.5 hrs at 605°C were completely investig...
Article
Full-text available
In this work an Artificial Intelligent (AI) technique viz. Artificial Neural Net-work (ANN) is applied to predict the output responses such as wear occurring at the flank face of the cutting insert and roughness of the machined workpiece surface during the hard turning process. Experiments are designed using Taguchi’s Design of Experiments (DoE) an...
Article
Full-text available
The forming behavior of a particulate reinforced AA 7075-TiC composite produced by in-situ stir casting process was investigated with cold upsetting test using graphite as lubricant. The prepared composites containing 0%, 4% and 8% of TiC reinforcement was completely investigated under tri-axial stress state condition. The various stress parameters...
Article
Workability is concerned with the scope to which a material can be deformed in a specific metalworking process without the initiation of cracks. The ductile fracture of components is the most common mode of cracks in any metalworking processes. Workability is the complex technological concept, depends upon the ductility of the material and the deta...
Article
The wear behaviour of plasma sprayed coating and hard chrome plating on AISI 304 austenitic stainless steel substrate is experimentally investigated in unlubricated conditions. Experiments were conducted at different temperatures (room temp, 100 °C, 200 °C and 300 °C) with 50 N load and 1 m/s sliding velocity. Wear tests were carried out by dry sli...
Article
Copper based metal matrix composite reinforced with Boron Carbide is a newly developed Electrical Discharge Machining (EDM) electrode showing better performance than the conventional copper based electrode. Right selection of machining parameters such as current, pulse on time and pulse off time is one of the most important aspects in EDM. In this...
Article
Full-text available
In-situ aluminum matrix composite is the innovation of high performance material technology and it has superior interfacial integrity and thermodynamic stability between the matrix and reinforcement. During synthesis, the ZrB 2 particle is formed by exothermic reaction within the aluminum melt. As a result, small, fine and oxide free reinforcements...
Article
This paper presents the results of an experimental investigation on the machinability of in situ Al-6061–TiB2 metal matrix composite (MMC) prepared by flux-assisted synthesis. These composites were characterized by scanning electron microscopy, X-ray diffraction, and micro-hardness analysis. The influence of reinforcement ratio of 0, 3, 6, and 9 wt...
Article
Full-text available
The investigation on the effect of sintering temperature and time intervals on workability behaviour of Al–SiC powder metallurgy composites during cold upsetting was attempted in the present work. Three levels of sintering temperature and time have been considered to evaluate their effect on workability behaviour. The amount of SiC reinforcement co...
Article
Ferrous powder metallurgy preforms containing 0%, 0.5%, 1.0% and 1.5% of molybdenum were completely investigated experimentally to study workability behaviour. The formability behaviour of the above-said powder metallurgy sintered steels preforms with aspect ratio of 0.75 under triaxial stress state condition was determined by cold upsetting them w...
Article
The densification is a measure of deformation in upset forming of Powder Metallurgy (P/M) processes. A complete experimental investigation on the deformation behaviour of aluminium–3.5% alumina powder composite has been discussed for the case of triaxial stress state condition. Cold upsetting of aluminium–3.5% alumina composite with and with no ann...