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J. Cent. South Univ. (2021) 28: 1089-1099 DOI: https://doi.org/10.1007/s11771-021-4682-1 Solution and aging behavior of precipitates in laser melting deposited V-5Cr-5Ti alloys CHAI Peng-tao(柴鹏涛)1...) additive manufacturing process, showing precipitates aggregated near the grain/dendrite boundaries. Since the mechanical properties of vanadium alloys considerably depend on the precipitates, solution......
Crystallography of Mg2Sn precipitates in Mg-Sn-Mn-Si alloy ZHANG Min(张 敏)1, ZHANG Wen-zheng(张文征)1, ZHU Guo-zhen(祝国珍)1, YU Kun(余 琨)2 1. Laboratory of Advanced Materials, Department of Materials...) precipitates. The morphology and orientation relationships(OR) of Mg2Sn precipitates were analyzed by using TEM. The Mg2Sn precipitates mainly exhibit three shapes: lath, polygon and plate. Four ORs between......
Effect of Rapid Thermal Process on Oxygen Precipitates in Heavily Sb-Doped Silicon Wafer Xu Yuesheng1,Hao Qiuyan1,Teng Xiaoyun1,Liu Caichi1,Zhao Liwei1,Sun Shilong1 (1.Institute of Information Functional Materials, Hebei University of Technology, Tianjin 300130, China) Abstract:Oxygen precipitates in heavily Sb-doped silicon after rapid thermal process (RTP) in Ar ambient were investigated......
: The microstructures of dislocation in two kinds of aluminum-lithium alloy 2090 and 2090+Ce were observed by TEM. The contribution of precipitates of δ′ and T1 phases were separately calculated by the results...=2). The adding relation of co-strengthening contribution of δ′ and T1 phases is obviously dependent on aging time. Key words: aluminum-lithium alloy; precipitates phase; strengthening ......
Dissolving of Nb and Ti carbonitride precipitates in microalloyed steelsWenjin Nie, Shanwu Yang, Shaoqiang Yuan, and Xinlai HeMaterials Science and Engineering School, University of Science and Technology Beijing, Beijing 100083, China摘 要:<正> The dissolving behaviour of Nb and Ti carbonitride precipitates in microalloyed steels during isothermal......
Nanoscale precipitates and comprehensive strengthening mechanism in AISI H13 steelWen-wen Mao1,2,An-gang Ning3,Han-jie Guo1,21. School of Metallurgical and Ecological Engineering, University...:The effects of heat treatment on the precipitates and strengthening mechanism in AISI H13 steel were investigated. The results showed that the presence......
. XRD and TEM demonstrate that a three-stage transformation occurs. The Ti3Ni4 precipitates are coherent with the R-phase. The crystal structure of R-phase was analyzed by two diffraction patterns method. The diffraction patterns of R-phase were obtained in detail from the same region. Key words: Ti-Ni shape memory alloys; R-phase transformation; Ti3Ni4 precipitates CLC number: TG139.6 ......
Precipitates in an isothermally aged Fe-18Cr-12Mn-0.04C-0.48N high-nitrogen austenitic stainless steelSHI Feng,WANG Lijun,CUI Wenfang,REN Yuping,LI Hongxiao,and LIU Chunming School of Materials &... at 1×105 Pa was calculated using Thermo-Calc software and thermodynamic database.The morphology and crystallography information of precipitates in Fe-18Cr-12Mn-0.04C-0.48N high-nitrogen austenitic......
