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Grain refinement process of pure iron target under hypervelocity impact NI Chuan-hao, XU Qiang, WANG Fu-chi School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China Received 19 May 2010; accepted 9 September 2010 Abstract: The structure of ultrafine grain is formed at the crater bottom of pure iron target under hypervelocity impact......
Mechanical properties of tungsten heavy alloy and damage behaviors after hypervelocity impactZhe Wu1,Yang Zhang2,Chun-Mei Yang1,Qian-Jun Liu11. College of Mechanical and Electrical Engineering... in the process of hypervelocity penetration. At the same time,the results of TEM observation show that there are highdensity dislocations at the interface between W and Ni–Fe–Co-based alloy inside the 93 W......
Dynamic Mechanical Behavior and Hypervelocity Impact Performance of an Al-Based Nanocrystalline AlloyShan-Shan Deng1,Gang Wang2,Run-Qing Chi1,Bao-Jun Pang1,Dong-Jun Wang1,3,4,Jun Shen1,51. School of Materials Science and Engineering,Harbin Institute of Technology2. Laboratory for Microstructures,Institute of Materials,Shanghai University3. National Key Laboratory for Precision Hot Processing......
range of strain rates [J]. Int J Impact Eng, 2005, 31: 401-433. [9] CINNAMON J D, PALAZOTTO A N, KENNAN Z. Material characterization and development of a constitutive relationship for hypervelocity... Dynamic fracture of Ti-6Al-4V alloy in Taylor impact test REN Yu1, TAN Cheng-wen1, 2, ZHANG Jing1, WANG Fu-chi1 1. School of Materials Science and Engineering, Beijing Institute of Technology......
. Meanwhile, it can be found that microstructure morphology change of Wf/Cu82Al10Fe4Ni4 composite occurs after hypervelocity impact. The density of dislocations around the large-dimensional(Fe, Ni),AlFe.... By two-stage light gas gun, Wf/Cu82Al10-Fe4Ni4 composite hypervelocity projectile into concrete target test with the speed of 2.2 kmás-1is finished. By microstructure observation, it can be found......
Article ID: 1003-6326(2005)05-1077-04 Impact toughness of tungsten films deposited on martensite stainless steel HUANG Ning-kang(黄宁康), YANG Bin(杨 斌), WANG De-zhi(汪德志) (Key Laboratory... steel Charpy specimens by magnetron sputtering followed by electron beam heat treatment. Charpy impact tests and scanning electron microscopy were used to investigate the ductile-brittle transition......
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Crack propagation of Mg-Li alloys by impact load QU Zhi-ming(曲志明)1, LIANG Xiao-ying(梁晓颖)1, ZHOU Xin-quan(周心权)2, SHI San-yuan(史三元)1 1. School of Civil Engineering, Hebei Engineering University...> Abstract: Under impact load, using energy estimation and updated finite element method, the crack propagation of Mg-Li alloys was studied, and the relations between high speed impact, time interval......
J. Cent. South Univ. Technol. (2011) 18: 1068-1073 DOI: 10.1007/s11771-011-0805-4 Degradation of chlorothalonil by ultrasonic irradiation: Kinetics and impact factors GUO Hong-guang(郭洪光), GAO Nai.... Key words: ultrasonic irradiation; chlorothalonil; kinetics; impact factors 1 Introduction Chlorothalonil(2, 4, 5, 6-tetrachloroisophthalonitrile, CLT) is a high-efficient non-systemic organ......
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