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3篇 您的检索式:作者名="P.KOSHY MATHEWS"
    题名 作者 年代 出处 被引量
1Prediction and optimization of process parameter of friction stir welded AA5083-H111 aluminum alloy using response surface methodology显示文摘A systematic approach was presented to develop the empirical model for predicting the ultimate tensile strength of AA5083-H111 aluminum alloy which is widely used in ship building industry by incorporating friction stir welding(FSW) process parameters such as tool rotational speed,welding speed,and axial force.FSW was carried out considering three-factor five-level central composite rotatable design with full replications technique.Response surface methodology(RSM) was applied to developing linear regression model for establishing the relationship between the FSW process parameters and ultimate tensile strength.Analysis of variance(ANOVA) technique was used to check the adequacy of the developed model.The FSW process parameters were also optimized using response surface methodology(RSM) to maximize the ultimate tensile strength.The joint welded at a tool rotational speed of 1 000 r/min,a welding speed of 69 mm/min and an axial force of 1.33 t exhibits higher tensile strength compared with other joints.R.Palanivel P.Koshy Mathews 2012Journal of Central South University2012,19,1:26
2Optimization of process parameters to maximize ultimate tensile strength of friction stir welded dissimilar aluminum alloys using response surface methodology显示文摘Aluminium alloys generally present low weldability by traditional fusion welding process.Development of the friction stir welding(FSW)has provided an alternative improved way of producing aluminium joints in a faster and reliable manner.The quality of a weld joint is stalwartly influenced by process parameter used during welding.An approach to develop a mathematical model was studied for predicting and optimizing the process parameters of dissimilar aluminum alloy(AA6351 T6 AA5083 H111)joints by incorporating the FSW process parameters such as tool pin profile,tool rotational speed welding speed and axial force.The effects of the FSW process parameters on the ultimate tensile strength(UTS)of friction welded dissimilar joints were discussed.Optimization was carried out to maximize the UTS using response surface methodology(RSM)and the identified optimum FSW welding parameters were reported.R.Palanivel P.Koshy Mathews N.Murugan 2013Journal of Central South University2013,20,11:6
3异种搅拌摩擦焊AA5083-H111和AA6351-T6铝合金的力学和冶金性能(英文)显示文摘研究异种搅拌摩擦焊AA5083-H111和AA6351-T6铝合金的微观结构和力学性能。在3种不同的焊接速度(36、63、90 mm/min)下焊接AA5083-H111和AA6351-T6铝合金,分析焊接速度对接头力学和冶金性能的影响。结构表明,与其他焊接速度相比,焊接速度为63 mm/min时接头的力学性能和冶金性能较好。焊缝区由未混合区、机械混合区和混流区组成。所观察到的断裂模式为韧性纤维断裂。R.PALANIVEL P.KOSHY MATHEWS I.DINAHARAN N.MURUGAN 2014Transactions of Nonferrous Metals Society of China2014,24,1:3
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