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SiC WHISKER-TOUGHENED ALUMINIUM NITRIDE CERAMICS李凝芳摘 要:<正> Aluminium nitride ceramics containing 15-30 w/o of SiC whiskers can be sintered tofull density(by hot pressing at 1800℃)using2-3 w/o of Y2O3 additions.The whiskersincrease the toughness and strength of thecomposite,KICincreasing from 2.8 to about5.0 and flexural strength increasing......
SiC WHISKER-TOUGHENED ALUMINIUM NITRIDE CERAMICS李凝芳摘 要:<正> Aluminium nitride ceramics containing 15-30 w/o of SiC whiskers can be sintered tofull density(by hot pressing at 1800℃)using2-3 w/o of Y2O3,additions.The whiskersincrease the toughness and strength of thecomposite,K10 increasing from 2.8 to about5.0 and flexural strength increasing......
Effect of evolution of polycrystalline textures onr-value of LF2 aluminum alloy ZHAO Yi-xi(赵亦希), LIN Zhong-qin(林忠钦), LI Shu-hui(李淑慧), YU Zhong-qi(于忠奇) School of Mechanical Engineering, Shanghai... of aluminum alloy sheet was investigated. For this purpose, the textures under different elongation of LF2 aluminum alloy were measured and analyzed. The result indicates that the initial texture of LF2......
: The influence of forging and aging treatment on mechanical properties and microstructure of large size prestretched thick plate of 7B04 aluminium alloy was investigated through tensile test, corrosion... structures, which can significantly reduce the cost by minimizing the amount of components and joints. In recent years, 7xxx series (Al-Zn-Mg-Cu) aluminum alloy thick plates were used extensively......
on the hereditary transmission of ferroalloy and aluminium alloy but no on magnesium in present[6-8]. The varying trend of microstructure and property of un-remelted and remelted magnesium alloys provided... Hereditary transmission of AZ91D magnesium alloy ZHAO Yu(赵宇)1, 2, CHEN Li(陈莉)1, ZHOU Hong(周宏)2 1. School of Materials Science and Engineering, Changchun University of Technology, Changchun......
Effects of process parameters on numerical control bending process for large diameter thin-walled aluminum alloy tubes LI Cheng(李 成)1, YANG He(杨 合)1, ZHAN Mei(詹 梅)1, XU Xu-dong(许旭东)2... aluminum alloy tubes with outer diameter of 70 mm, wall thickness of 1.5 mm, and centerline bending radius of 105 mm. And the effects of process parameters on tube wall thinning and cross section......
stress diagram (FLSD) of aluminium alloy 1060 under linear and nonlinear strain paths are investigated. The calculation of FLSD is based on experimental FLD using the method proposed by Stoughton... models) on translation of FLD and FLSD are analyzed. The Voce hardening law and the Hosford yield criterion are appropriate for the FLSD calculation of the aluminium alloy 1060. The stress calculation......
Trans. Nonferrous Met. Soc. China 26(2016) 1783-1790 Effects of grain refinement and residual elements on hot tearing of A713 aluminium cast alloy Anil Kumar BIRRU1, D. BENNY KARUNAKAR2 1. Department... prevent hot tearing of A713 alloy. Key words: aluminium alloy; hot tearing; pouring temperature; grain refinement 1 Introduction Hot tearing is a severe defect encountered in alloy castings and perhaps......
