共搜索到20571条信息,每页显示10条信息,共2058页。用时:0小时0分0秒390毫秒
......
are embedded in the Nd2Fe14B matrix or at grain boundary. Their lattice parameters are determined to be a=0.395nm and c=0.628nm.
Key words: explosively compacted Nd-Fe-B; microstructure; boundary phase CLC number: TM273
Document code: A
Inter-granular liquid phase aiding grain boundary sliding in superplastic deformation of fine-grained ZK60 Mg alloy
LEE Shyong1, CHIANG Chih-te1, CHU Chun-lin1, HSU Chang-chuan2
1. Department... exceptionally exhibits a mark of grain boundary sliding and its accommodating mechanism of inter-granular liquid phase. Under the testing conditions of 350 ?C and 1×10-4 s-1, the initially fine-grained......Inter-granular liquid phase aiding grain boundary sliding in superplastic deformation of fine-grained ZK60 Mg alloy
AI导读
来源: 《中国有色金属学报(英文版)2010年增刊第2期》——LEE Shyong CHIANG Chih-te CHU Chun-lin HSU Chang-chuan
Properties of PMSZT Piezoelectric Ceramics near Morphotropic Phase Boundary Xu Mingxia1,Lu Cuimin1,LUO Yunfei1,Sun Qingchi1 (1.Key Laboratory for Advanced Ceramics and Machining Technology.... The results show that pure perovskitic structure was obtained by calcination at 900 ℃ for 2 h. Near the morphotropic phase boundary of Zr concentration x = 0.47, the rhombohedral phase and tetragonal phase......
CALCULATION OF SECOND PHASE PARTICLE-GRAIN BOUNDARY INTERACTION RANGE W. Wang1,X.L. Wang2,L.F. Hou2,Y.H. Wei2 (1.Baosteel Technology Center, Baoshan Iron & Steel Co., Ltd., Shanghai 201900, China... of Worrier, this article deals with the interaction range between the seeand-phase particle (SPP) and grain boundary (GB) as viewed from the applicability of grain boundary equation. Also, a new......
with purely-diffusive limit. The predicted map for directionally solidified Pb-Bi alloy agrees well with its experimental observations. Key words: boundary layer model; peritectic alloy; phase... data of peritectic phase diagram according to boundary layer model and to investigate how convection affects the phase and microstructure selection. The Pb-Bi alloy was chosen as a case. 2 Boundary......
Phase composition and structure of grain boundary of oversintered Y3Al5O12 ceramics LI Chang-qing(李长青), ZUO Hong-bo(左洪波), HAN Jie-cai(韩杰才), ZHANG Ming-fu(张明福), MENG Song-he(孟松鹤), YAO Tai(姚 泰... composition of the grain boundary is composed of eutectic type of structure such as YAP phase and α- Al2O3 phase tested by energy-dispersive spectrometry(EDS) analysis in Fig.7. Although hexagonal YAP......
......
Cavitation and grain boundary sliding during creep of Mg-Y-Nd-Zn-Mn alloy V. JAN?K1, F. HNILICA1, P. ZUNA1, V. O?EN??EK2, I. STUL?KOV?3 1. Department of Materials Engineering, Faculty... set of creep tests was interrupted after the onset of ternary creep. Fraction of cavitated dendritic boundaries was evaluated using optical microscopy. Measurement of grain boundary sliding......
Simulation of interphase boundary of Ni75AlxV25-x alloys using microscopic phase-field method LI Yong-sheng(李永胜), CHEN Zheng(陈 铮), LU Yan-li(卢艳丽),WANG Yong-xin(王永欣) Department of Materials...; Abstract: The evolution of ordered interphase boundary (IPB) of Ni75AlxV25-x alloys was simulated using the microscopic phase-field method. Based on the atomic occupation probability......