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Forming of tailor welded blanks through centerline and offset laser welding 通过中心线和偏置激光焊接成形定制焊坯
IF 0.7
International Journal of Manufacturing Materials and Mechanical Engineering Pub Date : 2022-01-01 DOI: 10.4018/ijmmme.299059
{"title":"Forming of tailor welded blanks through centerline and offset laser welding","authors":"","doi":"10.4018/ijmmme.299059","DOIUrl":"https://doi.org/10.4018/ijmmme.299059","url":null,"abstract":"The forming of low and high strength tailor welded steel sheets into preferred three-dimensional shapes by a homogeneous distribution of plastic strain is highly difficult. In this work, the formability of tailor-welded blanks prepared using laser welding of low (IS 513 CR2, IS 513 CR3) and high tensile strength (AISI 304) steel sheets were analyzed and the formation of the edge profile and weld line movement was also examined. The results showed a decrease in formability characteristics owing to the increase in Strength Ratio. Scanning Electron Microscope analysis of the fracture locations within unsuccessfully formed tailor welded blanks showed the presence of tempered martensite in the soft zone was found to be the most predominant factor affecting its failure. The formability characteristics of investigated tailored blanks were predicted using finite element simulation and compared with experimented results for validation.","PeriodicalId":43174,"journal":{"name":"International Journal of Manufacturing Materials and Mechanical Engineering","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70460635","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Low-Temperature Direct Bonding of 3D-IC Packages and Power IC Modules Using Ag Nanotwinned Thin Films 利用银纳米孪晶薄膜低温直接键合3D-IC封装和功率IC模块
IF 0.7
International Journal of Manufacturing Materials and Mechanical Engineering Pub Date : 2022-01-01 DOI: 10.4018/ijmmme.313037
T. Chuang, Po-Ching Wu, Y. Lai, Pei-Ing Lee
{"title":"Low-Temperature Direct Bonding of 3D-IC Packages and Power IC Modules Using Ag Nanotwinned Thin Films","authors":"T. Chuang, Po-Ching Wu, Y. Lai, Pei-Ing Lee","doi":"10.4018/ijmmme.313037","DOIUrl":"https://doi.org/10.4018/ijmmme.313037","url":null,"abstract":"Ag has the lowest stacking fault energy of all metals, which allows twin formation to occur more easily. The (111)-preferred orientation Ag nanotwinned films is fabricated by either sputtering or evaporation method exhibit columnar Ag grains grown vertically on Si substrates. Ag nanotwinned films have a (111)-preferred orientation with a density about 98% and diffusivity that is 2 to 5 orders of magnitude higher than those of (100) and (110) surfaces. Low temperature direct bonding with (111)-oriented Ag nanotwins films is proposed to fulfil the requirements for wafer-on-wafer (WoW), chip-on-wafer (CoW), and chip-on-wafer-on-substrate (CoWoS) advanced 3D-IC packaging, with the process temperature drastically reduced to 100°C. Such an innovative bonding method also provides a promising solution for die attachment of Si chips with DBC-ceramic substrates for power module packaging.","PeriodicalId":43174,"journal":{"name":"International Journal of Manufacturing Materials and Mechanical Engineering","volume":" ","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43542328","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comparison of Constitutive Models for predicting the formability of SS 304 by tubular hydroforming process 预测管状高压成形性能的本构模型比较
IF 0.7
International Journal of Manufacturing Materials and Mechanical Engineering Pub Date : 2022-01-01 DOI: 10.4018/ijmmme.293227
P. V. Reddy
{"title":"Comparison of Constitutive Models for predicting the formability of SS 304 by tubular hydroforming process","authors":"P. V. Reddy","doi":"10.4018/ijmmme.293227","DOIUrl":"https://doi.org/10.4018/ijmmme.293227","url":null,"abstract":"Finite Element (FE) simulation of sheet/tube forming precision depends mainly on the accuracy of the constitutive modeling. The present paper aim is to compare the constitutive models to fit the stress-strain curves. The accurate deformation behavior of the SS 304 tubes depends on the constitutive modeling of hardening behavior. Deformation data of the tensile specimens cut from tubular sample were collected by conducting Uniaxial tensile tests (UTT) at three different rolling directions. Five constitutive relationships were then recognized by fitting the true stress and strain data with the constitutive models of Hollomon, Power, Krupowsky, Voce and Ghosh, and the fitting accuracy were analyzed and compared. Effects of hardening models on Forming Limit Curves (FLC), pressure loading and bulge height of the hydroformed tube were then studied. The obtained FLC from the simulations were compared with experimental FLC to predict the accuracy of the hardening models.","PeriodicalId":43174,"journal":{"name":"International Journal of Manufacturing Materials and Mechanical Engineering","volume":" ","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48191944","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Dynamic Analysis and Simulation of the Hydraulic Control System on the Remote-Controlled Explosive Ordnance Disposal Machine 遥控排爆机液压控制系统动力学分析与仿真
IF 0.7
International Journal of Manufacturing Materials and Mechanical Engineering Pub Date : 2021-07-01 DOI: 10.4018/IJMMME.2021070103
D. D. Nguyen, Dat Van Chu, Le Van Sy
{"title":"Dynamic Analysis and Simulation of the Hydraulic Control System on the Remote-Controlled Explosive Ordnance Disposal Machine","authors":"D. D. Nguyen, Dat Van Chu, Le Van Sy","doi":"10.4018/IJMMME.2021070103","DOIUrl":"https://doi.org/10.4018/IJMMME.2021070103","url":null,"abstract":"The remote-controlled explosive ordnance disposal machine, an important device used in the military, has been developed in many countries. It has become more intelligent and multi-functional due to being integrated with many functional components. New generations have been equipped with a completely remote-controlled system and high-resolution cameras. In bomb disposal work, this integrated machine can be used to replace other single-operating machines which allow to reduce greatly consuming time and labor effort as well as safety for operators. There are significant distinctions in design among well-known manufacturers. One of important components of this machine is hydraulic system that drives operating equipment of the machine. This paper focuses on analyzing and simulating dynamic model of the hydraulic system during the bomb laying process. The main target of this study is to meet the requirements for controlling a remote-controlled explosive ordnance disposal machine with high specific power, low hysteresis, high precision control, which ensures precision operation and safety.","PeriodicalId":43174,"journal":{"name":"International Journal of Manufacturing Materials and Mechanical Engineering","volume":" ","pages":""},"PeriodicalIF":0.7,"publicationDate":"2021-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48982115","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Battery Management for Small Hydroponic Systems and Cultivation Experiments 小型水培系统的电池管理及栽培试验
IF 0.7
International Journal of Manufacturing Materials and Mechanical Engineering Pub Date : 2021-07-01 DOI: 10.4018/IJMMME.2021070102
S. Yamaguchi, Takuya Motosugi, Yoshihiko Takahashi
{"title":"Battery Management for Small Hydroponic Systems and Cultivation Experiments","authors":"S. Yamaguchi, Takuya Motosugi, Yoshihiko Takahashi","doi":"10.4018/IJMMME.2021070102","DOIUrl":"https://doi.org/10.4018/IJMMME.2021070102","url":null,"abstract":"A small hydroponic system that can use sustainable energy such as solar power has been developed. However, the amount of power generated is not constant, and in the case of unstable weather, enough power cannot be obtained. Therefore, it is necessary to store the generated energy in a battery. In order to design low-cost charging equipment, it is necessary to use a smaller battery and to estimate the remaining charge capacity (state of charge: SOC) accurately. To provide an accurate SOC estimation for such systems, a fusion of CI (current integral) and OCV (open circuit voltage) methods is proposed. When using this method, it is necessary to frequently disconnect the electronic load. In these experiments, the optimum disconnection duration, the effects on plants of frequent battery disconnection, and cutting off of the lighting were investigated.","PeriodicalId":43174,"journal":{"name":"International Journal of Manufacturing Materials and Mechanical Engineering","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2021-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42080796","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Classification and Automatic Feature-Based Extraction Approach for Cylindrical and Milling Parts 基于特征的圆柱和铣削零件分类与自动提取方法
IF 0.7
International Journal of Manufacturing Materials and Mechanical Engineering Pub Date : 2021-07-01 DOI: 10.4018/IJMMME.2021070104
Sathish Kumar Adapa, D. Sreeramulu, Jagadish
{"title":"Classification and Automatic Feature-Based Extraction Approach for Cylindrical and Milling Parts","authors":"Sathish Kumar Adapa, D. Sreeramulu, Jagadish","doi":"10.4018/IJMMME.2021070104","DOIUrl":"https://doi.org/10.4018/IJMMME.2021070104","url":null,"abstract":"This paper reports classification and automatic extraction of various cylindrical and milling features in conventional machining process parts. In this work, various algorithms like hole recognition algorithm (HRA) and milling feature recognition algorithm (MFRA) have been used for identification of different cylindrical and milling features. A cylindrical feature is identified based on specific logical rules, and milling feature is identified based on the concept of concave decomposition of edges. In-house developed JAVA program is used to write algorithm, and then validation of the algorithm is done through two case studies. The HRA and MFRA algorithms extract the cylindrical features (through holes, blind holes, taper holes, and bosses) and milling features (slot, blind slot, step, blind step, pockets) precisely. The current work is well suitable to extract the features in conventional machining parts and thereby improve the downstream applications likes process planning, CAPP, CAM, etc.","PeriodicalId":43174,"journal":{"name":"International Journal of Manufacturing Materials and Mechanical Engineering","volume":" ","pages":""},"PeriodicalIF":0.7,"publicationDate":"2021-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47754858","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Strength Optimization of Infant Pop-Up Seat Frame Using Discrete Material and Thickness Optimization 基于离散材料和厚度优化的婴儿弹出式座椅骨架强度优化
IF 0.7
International Journal of Manufacturing Materials and Mechanical Engineering Pub Date : 2021-07-01 DOI: 10.4018/IJMMME.2021070101
Y. Ju, E. Jeon
{"title":"Strength Optimization of Infant Pop-Up Seat Frame Using Discrete Material and Thickness Optimization","authors":"Y. Ju, E. Jeon","doi":"10.4018/IJMMME.2021070101","DOIUrl":"https://doi.org/10.4018/IJMMME.2021070101","url":null,"abstract":"In this paper, the authors proposed an optimal design method for the strength design of infant pop-up seat frame combined with rear seats for infants, children, and adults, not removable booster seats or car seats. Frame strength design was performed using discrete material and thickness optimization (DMTO) method considering high strength steel (HSS) and advanced high strength steel (AHSS). Structural design using the Section 4 link mechanism was performed, and the weakness of the seat frame due to static load was confirmed through finite element analysis. An optimal design criterion was established by carrying out a case study to derive the limiting conditions according to static and dynamic loads. In consideration of these criteria, the optimal design according to d-optimal and discrete Latin-hypercube (DLH) was performed among the design of experiments (DOE). And the strength of the pop-up seat frame for infants according to each DOE was checked, and the strength optimization method was suggested by comparing the lightweight ratio.","PeriodicalId":43174,"journal":{"name":"International Journal of Manufacturing Materials and Mechanical Engineering","volume":" ","pages":""},"PeriodicalIF":0.7,"publicationDate":"2021-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44863311","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Turning SKD 11 Steel Using Silver Nanofluids With Minimum Quantity Lubrication 用最少润滑量的银纳米流体车削skd11钢
IF 0.7
International Journal of Manufacturing Materials and Mechanical Engineering Pub Date : 2021-07-01 DOI: 10.4018/IJMMME.2021070105
M. N. Babu, V. Anandan, M. Babu, N. Muthukrishnan
{"title":"Turning SKD 11 Steel Using Silver Nanofluids With Minimum Quantity Lubrication","authors":"M. N. Babu, V. Anandan, M. Babu, N. Muthukrishnan","doi":"10.4018/IJMMME.2021070105","DOIUrl":"https://doi.org/10.4018/IJMMME.2021070105","url":null,"abstract":"The influence of lubrication has an effect on health, surroundings, and manufacturing regions. In the current analysis, the impact of turning parameters such as cutting speed, feed rate and cutting conditions on surface roughness (Ra), cutting temperature, tool wear, and chip morphology are examined on SKD 11 steel. The experiments were performed with Taguchi's L18 orthogonal-array. The significance of the investigation involved in comparing the effect of dry, oil machining, and nano lubricants with minimum quantity lubrication (MQL) in turning process. Additionally, simple additive weighting method (SAW) has been utilized to enhance the turning parameters in SKD 11 steel for improved machining performance. Results indicate that the use of nanoparticles as cutting fluids serve in reducing the surface roughness, cutting temperature, and wear on the tool.","PeriodicalId":43174,"journal":{"name":"International Journal of Manufacturing Materials and Mechanical Engineering","volume":" ","pages":""},"PeriodicalIF":0.7,"publicationDate":"2021-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46796432","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
High Temperature Mechanical and Creep Performance of AA7075/TaC/Si3N4/Ti Hybrid Metal Matrix Composites AA7075/TaC/Si3N4/Ti复合金属基复合材料的高温力学和蠕变性能
IF 0.7
International Journal of Manufacturing Materials and Mechanical Engineering Pub Date : 2021-01-01 DOI: 10.4018/ijmmme.2021010104
D. Smart, J. Kumar, Joses Jenish Smart
{"title":"High Temperature Mechanical and Creep Performance of AA7075/TaC/Si3N4/Ti Hybrid Metal Matrix Composites","authors":"D. Smart, J. Kumar, Joses Jenish Smart","doi":"10.4018/ijmmme.2021010104","DOIUrl":"https://doi.org/10.4018/ijmmme.2021010104","url":null,"abstract":"An effort was contrived to incorporate aluminium alloy (AA) 7075 reinforced with Silicon Nitride (Si3N4), Tantalum Carbide (TaC), and Titanium (Ti) particulates using conventional stir casting technique. The tension and creep investigations of these composite materials were analysed at room and elevated temperature to regulate their strain to failure and ultimate tensile strength (UTS). The data obtained inferred that addition of these ceramic reinforcements was naturally enhanced the mechanical and creep properties. Strength due to elongation was observed as high as 111.41 N/mm2 at 120°C when compared to unalloyed aluminium alloy. The load tests analysis reveals that the increase in reinforcement wt% of TaC and Ti combinations leads to increase in resistance for deformation failure and the composite is able to with stand 500 kg load at 120°C. The results of the creep tests shows that the ability of the material to with stand an higher cycle time of more than 30,000 seconds when the strain value is 0.02 wt% of reinforcement are 0.5% of TaC, 6% of Si3N4, and 1% of Ti.","PeriodicalId":43174,"journal":{"name":"International Journal of Manufacturing Materials and Mechanical Engineering","volume":" ","pages":""},"PeriodicalIF":0.7,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44523951","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Evaluation of a Suitable Material for Soft Actuator Through Experiments and FE Simulations 通过实验和有限元模拟评估适用于软致动器的材料
IF 0.7
International Journal of Manufacturing Materials and Mechanical Engineering Pub Date : 2020-04-01 DOI: 10.4018/ijmmme.2020040104
Elango Natarajan, M. Razif, A. Faudzi, K. Palanikumar
{"title":"Evaluation of a Suitable Material for Soft Actuator Through Experiments and FE Simulations","authors":"Elango Natarajan, M. Razif, A. Faudzi, K. Palanikumar","doi":"10.4018/ijmmme.2020040104","DOIUrl":"https://doi.org/10.4018/ijmmme.2020040104","url":null,"abstract":"Soft actuators are generally built to achieve extension, contraction, curling, or bending motions needed for robotic or medical applications. It is prepared with a cylindrical tube, braided with fibers that restrict the radial motion and produce the extension, contraction, or bending. The actuation is achieved through the input of compressed air with a different pressure. The stiffness of the materials controls the magnitude of the actuation. In the present study, Silastic-P1 silicone RTV and multi-wall carbon nanotubes (MWCNT) with reinforced silicone are considered for the evaluation. The dumbbell samples are prepared from both materials as per ASTM D412-06a (ISO 37) standard and their corresponding tensile strength, elongation at break, and tensile modulus are measured. The Ogden nonlinear material constants of respective materials are estimated and used further in the finite element analysis of extension, contraction, and bending soft actuators. It is observed that silicone RTV is better in high strain and fast response, whereas, silicone/MWCNT is better at achieving high actuation.","PeriodicalId":43174,"journal":{"name":"International Journal of Manufacturing Materials and Mechanical Engineering","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2020-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.4018/ijmmme.2020040104","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46125446","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
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