共搜索到8474条信息,每页显示10条信息,共848页。用时:0小时0分0秒635毫秒
Effect of Ti-Al on microstructures and mechanical properties of plasma arc in-situ welded joint of SiCp/Al MMCs LEI Yu-cheng(雷玉成), ZHANG Zhen(张 振), NIE Jia-jun(聂加俊), CHEN Xi-zhang(陈希章) School... by plasma arc in-situ weld-alloying was investigated, in which argon-nitrogen mixture was used as plasma gases and Ti-Al alloy as filling composite. The results show that the formation of needle-like......
University, Jinan 250061, China; 2. Linyi Hengyuan Thermoelectricity Co. LTD, Linyi 276000, China) Abstract: Fabrication technology of (Al2O3+TiB2)/ZL202 composites by in-situ reaction synthesis process..., the tensile strength of (Al2O3+TiB2)/ZL202 composite increases from 221.0MPa to 339.6MPa, which is raised by 53.67%. The ductility of composites is 2.60%. Key words: in-situ reaction; metal matrix......
on in-situ preparation of TiB2 particle reinforced ZL109 composite, hybrid particles of TiB2 and SiC reinforced ZL109 composite were fabricated by adding SiC particle reinforced ZL109 composite... composite can reach 275 MPa and the elastic modulus increases to 105.8 GPa. Key words: ZL109 composite; in-situ reaction; stir casting; hybrid reinforcement  ......
......
that zirconium content in aluminum melt increases rapidly with the increasing reactive time and increases by 90% for 10min. The whole time of in-situ synthesis is 15min. In-situ synthesis process...: A Reaction mechanism and kinetic model of in-situ synthesized composites in system Al-Zr(CO3)2 ZHAO Yu-tao, SUN Jian-xiang, DAI Qi-xun, CHENG Xiao-nong, LIN Dong-yang (School of Materials Science......
Interaction of crack with twins in hot-rolling AZ31 magnesium alloys during in-situ TEM straining experiments WU Luo-yi(吴落义)1, WU Cui-lan(伍翠兰)1, XIA Wei-jun(夏伟军)2, CHEN Zhen-hua(陈振华)2 1. Center...> Abstract: In-situ straining experiments in transmission electron microscopy were performed to investigate the propagation of crack, twinning and interaction of crack with twins. Lots of micro-twins were......
Layered structure of Ni-Al multi-layered metal-intermetallic composites fabricated by in-situ reactions ZHANG Jiao(张 佼)1, 2, SUN Bao-de(孙宝德)1, XIA Zhen-hai(夏振海)3 (1. State Key Laboratory... between NiAl3 and Ni2Al3. The high temperature phases like NiAl and Ni3Al are also found at low temperature. The results indicate that the key driving force of in-situ reaction is not temperature......
100076, China) Abstract: By using the mixed powder of Ti, C (mole ratio of Ti to C is 1∶1) powders for in-situ synthesizing TiC in 15%-30%TiC (volume fraction) and alloying 67.6%Ag-26.4%Cu-6%Ti..., scanning electron microscopy, and energy dispersive spectrometry. The results show that TiC grains are in-situ synthesized and distribute in Ag and Cu-Ti phases of the bonding layers, distinctly lowering......
J. Cent. South Univ. (2020) 27: 3149-3162 DOI: https://doi.org/10.1007/s11771-020-4535-3 Stress initialization methods for dynamic numerical simulation of rock mass with high in-situ stress YANG... engineering, the in-situ stress state is of major importance as it plays an important role in rock dynamic response behavior. Thus, stress initialization becomes crucial and is the first step......
, 57: 4568-4579. [16] GUO M X, WANG M P, K SHEN, CAO L F, LI Z, ZHANG Z. Synthesis of nano TiB2 particles in copper matrix by in situ reaction of double-beam melt [J]. Journal of Alloys and Compounds...Trans. Nonferrous Met. Soc. China 23(2013) 2994-3001 Microstructural evolution of copper-titanium alloy during in-situ formation of TiB2 particles M. SOBHANI1, H. ARABI1, A. MIRHABIBI2,3, R. M. D......