Hossein Talebi-Ghadikolaee

• Ph.D.
• Professor (Assistant) at University of Kashan

The laser-assisted turning (LAT) process comprises complicated interactions between cutting process parameters and laser heating. These interactions pose a significant challenge for predicting and optimizing surface integrity, even though it is crucial for the success of the process and its adoption as an alternative industrial process. This resear...

This study aimed to investigate the influence of different constitutive models on the accuracy of predicting spring-back in cold roll forming for pre-punched profiles. Finite element analysis was conducted using Abaqus, employing eight distinct constitutive models that varied in terms of yield criteria, yield function calibration, and elastic modul...

This study outlines an experimental and computational endeavor aimed at developing a machine learning model to estimate spring-back values utilizing the decision tree methodology. A design of experiment approach was employed to collect a dataset, and based on the experimental results, a precise model was constructed to predict spring-back values. T...

In this paper, the PTCAP (parallel tubular channel angular pressing) process as an SPD (severe plastic deformation) method is investigated. The effects of process parameters including channel angle, friction coefficient, and punch speed on strain homogeneity of the pure copper tube are studied. First, 9 experiments were designed by using Taguchi L9...

This study investigates the manufacturing process of metallic bipolar plates with a thickness of 0.1 mm the using stamping process. Interaction between geometrical parameters is a significant challenge for predicting and optimizing filling depth and thinning percentage in the formation of sheets. This research employs multi-criteria decision-making...

The objective of this research is to examine the influence of internal fluid pressure on the development of imperfections when quadrilateral tubes undergo rotary draw bending. Both experimental and numerical methods are utilized to conduct the tests. The experimental setup involved using an aluminum sample with an outer cross section of 35 mm × 35...

In this study, experimental and numerical approaches are used to investigate the effect of pre-punches on the spring-back of U-channels made of St12 with 1-mm thickness. Three-channel section profiles were examined: a simple hole-less channel and two pre-punched channels with holes located in the bending zone and next to the bending zone. The rolls...

The multi-criteria decision-making method, along with experimental and finite-element (FE) methods, was employed to determine the optimal process parameter values for rubber pad forming of metallic bipolar plates. To achieve this aim, the rubber pad forming process was modeled by FE software, and the results were validated by conducting experimenta...

In this study, the effect of the process parameters in hydraulic deep drawing (HDD) of the cylindrical cups is investigated using design of experiments (DOE) and finite element (FE) methods. First, the experiments have been designed using fractional factorial design. In this design maximum pressure of the fluid, punch speed, punch nose radius, die...

Stamping is the regarded as the best among manufacturing method of metallic bipolar plates considering its less production time and higher mass production capability. The present research studied the manufacturing of metallic bipolar plates with a parallel serpentine flow field made of a 304 stainless steel plate of 0.1 mm thickness via stamping. T...

The present study is conducted on forming of the metallic bipolar plates made of 316 stainless steel sheet with a parallel serpentine flow field. The plastic deformation of straight and curved microchannels, forming limit criteria, and deformation mechanics during the process are investigated partially to present a reliable model for estimating fra...

In this study, rubber pad forming is employed for the cost-effective production of metallic bipolar plates. To this end, a punch with parallel serpentine flow field patterns and a rubber layer is used to form SS316 bipolar plates with a thickness of 0.1 mm. The influence of forming force and rubber hardness on the channel depth of the bipolar plate...

In this study, experimental investigation and numerical simulation U-bending process are employed to construct a damage model based on ductile damage criteria. Also, an adaptive neural-fuzzy inference system (ANFIS) is extracted for the prediction of damage behavior based on the Cockroft-Latham and modified Mohr-Coulomb criteria calibrated using th...

The present study aims to propose a new predictive damage model considering the stress state and the effect of process parameters. To this end, an intelligent model founded based on both data mining and ductile damage model is developed to predict the fracture of AA6061-T6 during the bending process. The normalized Cockroft-Latham criterion is empl...

The present paper aimed to discuss the fracture in a symmetrical channel-shaped product during the roll forming process using Lou–Huh ductile fracture criterion. Employing the roll forming process is increasing to manufacture different products due to high manufacturing speed, and low cost. Fracture is one of the main limiting factors in the roll f...

The cold roll forming process is one of the most widely used methods in the production of metal profiles. This method, despite its many advantages for producing folded cross section profiles, the fracture has happened for low-formability metals such as aluminum. Proper design of the line and flower pattern can be effective in preventing this defect...

In this study, the plastic deformation of a metallic bipolar plate with a serpentine flow field was investigated during the stamping process. Strain path and thickness distribution in 304 stainless steel bipolar plates with a thickness of 0.1 mm were determined. To achieve this purpose, the process was simulated by the ABAQUS commercial finite elem...

Bipolar plates are among the most important components of polymer electrolyte membrane fuel cells that are responsible for a high percentage of their weights and costs. Metals are a suitable replacement for thick graphite plates that require high machining costs. The present study investigates the manufacturing process of metallic bipolar plates wi...

In this paper, the stamping process was employed to fabricate metallic bipolar plates (MBPs). An account of low formability of the commercially pure titanium (CP–Ti), the fracture is the most common defect during its plastic deformation. Consequently, prediction of the fracture onset during the stamping was studied using three ductile fracture crit...

One of the important sections of cold roll forming lines is the shearing of profiles, which is usually performed as the guillotine shearing for open profiles. Despite the importance of shearing quality on the assemblability of the open profiles, few researches have been done on their shearing operation. In this paper, the guillotine shearing of a c...

مقاله حاضر با هدف بررسی کالیبراسیون معیار شکست نرم لو-هو به منظور تعیین شکست در حین تغییر شکل مومسان آلیاژ آلومینیوم AA6061-T6، تهیه شده است. معیار شکست نرم لو-هو دارای سه ثابت C1، C2 و C3 می باشد که در این مقاله جهت کالیبراسیون معیار از سه آزمون کشش نمونه تک محوری، کرنش صفحه ای و نمونه برش استفاده شد. آزمون های کشش توسط نرم افزار آباکوس شبیه سازی...

در مقاله حاضر، آزمون های کشش مناسب برای کالیبراسیون معیارهای شکست به منظور پیش بینی این پدیده تحت بارگذاری های متفاوت معرفی شدند. آزمون های کشش کرنش صفحه ای، کشش نمونه دارای تورفتگی و کشش تک محوری به منظور بررسی حالات تنش مدل سازی شدند. مقادیر میانگین پارامتر سه محوری تنش و زاویه لود نرماله به کمک داده های حاصل از شبیه سازی مورد بررسی قرار گرفتند....

In this study, plastic deformation of the metallic bipolar plate with serpentine flow field was investigated during stamping process. Strain path and thickness distribution in 304 stainless steel (SS304) bipolar plate with the thickness of 0.1 mm were determined. To this aim, the process was simulated by the commercial finite element code (ABAQUS)....

The present study evaluates the fracture behavior of the AA6061-T6 aluminum alloy during the roll forming process using ductile fracture criteria. Three criteria including Ayada, Rice-Tracey, and normalized Cockroft-Latham were utilized to develop an accurate fracture model for predicting fracture onset during the roll forming process. To this end,...

In this paper, determination of the fracture onset by the ductile fracture criteria was studied and the effect of damage function, calibration method, and calibration tests were investigated on the fracture prediction accuracy. Based on the stress state analysis, three different tension tests including the uniaxial, plane strain, and notched tensio...

In this study, the modified Mohr-Coulomb (MMC) ductile fracture criterion was employed to investigate the ductile fracture during the roll forming process of the AA6061-T6 aluminum alloy. To this aim, the MMC fracture criterion was calibrated based on the tension tests and was integrated into the commercial finite element (FE) Abaqus/Explicit using...

In this study, the forming of metallic bipolar plates micro-channel was investigated. Rubber pad forming process was employed to fabricate the parallel micro-channels. According to the experimental observation, the onset of failure was the main limiting factor during the deformation of micro-channels. Therefore, the fracture behavior was studied du...

In this study, three ductile fracture criteria were used to investigate the fracture in U-bending of AA6061-T6 aluminum alloy sheets. Considering the importance of the calibration procedure, three different tension tests including the uniaxial, plane strain, and notched tensions were conducted based on the stress state analysis. The Ayada, Rice-Tra...

In this study, laser forming of steel was investigated in order to create V-Shape bend. The result shows, Increases in laser power within the temperature gradient range, lead to higher bending angle. Scan velocity, beam diameter, and thickness of the sheet metal were known as effective factors on bending angle. Increases in value of mentioned param...

In this paper, the modified Mohr-Coulomb (MMC) ductile fracture criterion was adopted to analyze the fracture behavior of the AA6061-T6 aluminum alloy sheet during the U-bending process. Appropriate calibration procedures were employed using various tension tests. A finite element (FE) model was built using the commercial FE code Abaqus/Explicit in...

In this study, the dimensional accuracy of metallic bipolar plates with stainless steel 316 was investigated in diagonal, longitudinal, and transverse direction (directional dimensional accuracy). The results showed that directional dimensional accuracy (uniformity of channel depth) would increase by raising the applied force. In addition, increasi...

Bipolar plates are some of the most important parts of a fuel cell that constitute a high percentage of weight and cost in a fuel cells collection. Furthermore, metals due to lesser weight and cost are suitable replacements for thick graphite plates which need high cost of machining. In recent years, among of sheet forming productions the applicati...

Metal is considered to be a good material for a bipolar plate due to its good electrical conductivity, excellent mechanical properties, and low cost. In this study, fabrication of metallic bipolar plates with serpentine flow field microchannels was investigated by a novel rubber pad forming process. Stainless steel 316 with thickness of 0.1 mm was...

Metallic bipolar plates are the most important part of proton exchange membrane fuel cell (PEMFC). In order to manufacturing of these plates, various method such as Hydroforming, electromagnet forming and stamping have been used. In this study rubber pad forming process was selected in order to forming metallic bipolar plates with stainless steel 3...

In this paper, micro channels of metallic bipolar plates are produced by rubber pad forming process. Therefore, stainless steel of SS316L with 0.1 mm thickness is used. For forming these plates by this method, two dies with concave and convex pattern are used. In this paper, by using finite element method and ABAQUS software, the effect of concave...

In this study, the effect of rubber thickness on forming the quality of metallic bipolar plates microchannel’s was investigated in rubber pad forming process. ABAQUS/Standard finite element software was used to simulate the process, where the accuracy of the simulation results was evaluated by using experimental results. To perform experimental pro...

The metallic bipolar plate is one of the main parts of fuel cell. Several methods have been used by researchers to manufacture bipolar plates such as stamping, hydroforming and electromagnet forming. The effect of process parameters on the dimensional accuracy of metallic bipolar plates in rubber pad forming process has been investigated in this st...