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, The Chinese Academy of Sciences, Shenyang 110016, China) Abstract: A nanostructured surface layer was fabricated on an aluminum alloy 1420 by using a high-energy shot peening (HESP) technique. HESP... of nanostructured surface layer is enhanced significantly after HESP compared with that of the initial sample. Key words: aluminum alloy; high-energy shot peening; surface nanocrystallization; microstructure......
Trans. Nonferrous Met. Soc. China 29(2019) 1641-1652 Microstructure, mechanical and corrosion properties of magnesium alloy bone plate treated by high-energy shot peening Shu-xu WU1, Shou-ren WANG1..., high-energy shot peening (HESP) was used. According to the results, the in-situ surface nanocrystallization (ISNC) microstructure was fabricated on the magnesium alloy surface, and its formation......
Synergic Effect of Shot Blasting and Deposit RE on Corrosion Behavior of TP304H steel in SO2-O2 at 923K FU Min1,HE Ja-wen2,LI Xin-geng1 (1.Shandong Electric Power Research Institute of China, Jinan, China;2.State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi' an, China) 摘要:The corrosion behavior of TP304H steel with combined treatment of shot blasting......
-Averbach method and Voigt method. The results show that the textures of both specimens are randomized by shot peening and do not appear again after any heat treatments. Domains grow during heat treatments... size; microstrain; line profile analysis; shot peening; continuous heating 金属......
Li-hua, WANG Zong-shen, et al. Effects of constrained groove pressing and ultrasonic shot peening on surface microstructure and hardness of AZ31 magnesium alloy[J]. The Chinese Journal of Nonferrous...AA6063铝合金进行CGP处理发现,随着变形道次的增加,在CGP第一道次中形成的细长晶粒会逐渐转变为等轴晶粒.尽管国内外有不少学者对其进行研究,但技术工艺还不太成熟,仍需进行进一步研究. 超声喷丸技术(Ultrasonic shot peening, USP)是将超声振动作为能量源,驱动钢球高速撞击金属材料表面,从而实现材料表面改性或变形的一种剧烈塑性变形技术[14].其工作原理图如图2所示,工具头输出......
; 文献标识码:A Mechanism of grain refinement for TA17 near α Ti alloy by high energy shot peening HAN Jing, SHENG Guang-min, HU Guo-xiong (College of Materials Science and Engineering... treated by high energy shot peening(HESP). The microstructures feature in plastic deformation layer were characterized and researched by optical microscopy(OM), scanning electron microscopy(SEM......
Trans. Nonferrous Met. Soc. China 22(2012) s261-s267 Residual stress field induced by shot peening based on random-shots for 7075 aluminum alloy SHENG Xiang-fei1, XIA Qin-xiang1, CHENG Xiu-quan2, LIN.... For shot peening with different coverage rates, σsrs and σmcrs increase with the variation of shots number from 15 to 65, then decrease when shots number is 85, variation of Zm is not obvious, Z0......
by means of high energy shot peening HAN Jing, SHENG Guang-min, HU Guo-xiong (College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China) Abstract: In order to prepare nanograins on the end face of 0Cr18Ni9Ti stainless steel bar, the end face was treated by means of high energy shot peening (HESP). The microstructures of plastic deformation layer were......
金基材的微动疲劳抗力显著提高. 关键词:钛合金；微动疲劳；电火花表面强化；喷丸；摩擦磨损 中图分类号:TG 115 文献标识码:A Electrospark surface strengthening by Mo electrode and shot peening on improving fretting... in the air and in the silicone oil environment to explore ways to eliminate the strengthening layer cracks and flaws. ESS was combined shot peening in order to synergistically improve the fretting......
: single crystal superalloy; recrystallization; shot peening; heat treatment 1 Introduction With excellent high-temperature mechanical properties, single crystal (SC) superalloys have been widely used... and morphology of recrystallized grains of a SC superalloy by shot peening was investigated. In addition, the microstructure evolution of recrystallized grains at the homogenization annealing......
