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electron microscopy, X-ray diffractometry and differential scanning calorimetry were used to investigate the surface and inner micro-morphology, phase constituent and martensitic transformation... with various particle sizes upon cooling and heating. Additionally, phase transformation temperatures for powders analyzed from Fig. 9 are shown in Table 4. The peak temperatures of martensitic transformation......
Effects of laser phase transformation hardening parameters on heat input and hardened-bead profile quality of unalloyed titanium D. S. BADKAR1, K. S. PANDEY1, G. BUVANASHEKARAN2 1... quenching. The purpose of the present study is to investigate and develop the mathematical models for heat input and laser hardened bead profile parameters of laser phase transformation hardened......
Effects of nano-AlN on phase transformation of low temperature vitrified bond during sintering process SHANG Yong(尚 勇)1, HOU Yong-gai(侯永改)1,2, QIAO Gui-ying(乔桂英)3, ZOU Wen-jun(邹文俊)2... studied. Furthermore, the phase transformation during sintering process was investigated by means of thermo-gravimetric analysis (TG), differential thermal analysis (DTA) and X-ray diffraction (XRD......
Microstructure and giant baro-caloric effect induced by low pressure in Heusler Co51Fe1V33Ga15 alloy undergoing martensitic transformationKai Liu1,2,3,Hai Zeng1,2,Ji Qi4,5,Xiaohua Luo1,Xuanwei...:Solid-state refrigeration based on the magneto-or mechano-caloric effect,including elasto-and barocaloric in ferroic phase transition materials is promising......
EBSD研究高Mn TRIP钢伪线织构杨平1,鲁法云1,孟利1,毛卫民1(1.北京市北京科技大学材料学院)摘 要:对高Mn TRIP钢两类马氏体相变取向关系及变体选择进行EBSD取向成像分析时,在微区内经常观察到伪线织构,并对其进行了分析.结果表明,各类伪线织构都是相变时界面匹配的表现,可由4种原因引起:奥氏体内产生的ε马氏体中按K-S关系生成的6个α′马氏体变体造成;形变时奥氏体内增加的孪晶内形成的ε马氏体构成:相变时两相对应点阵面力图匹配而造成的EBSD相鉴定过程规律性的误标所致;形变促进不同相的点阵面匹配......
; shape memory effect; martensitic phase transformation; twinning 1 Introduction For Cu-based shape memory alloys (SMAs), martensitic stabilization is the big concern when they are employed in the field... in Cu75.7Al15.4Mn8.9 shape memory alloy [J]. Acta Mater, 2002, 50: 1835-1847. [20] STOIBER J, GOTTHARDT R. Changes in stacking fault sequences during the martensitic phase transformation in Cu-Zn-Al shape......
Phase Transformation During Intercritical Tempering with High Heating Rate in a Fe-13%Cr-4%Ni-Mo Stainless SteelPei WANG,Shenghua ZHANG,Shanping LU,Dianzhong LI,Yiyi LIShenyang National Laboratory for Materials Science,Institute of Metal Research,Chinese Academy of Sciences摘 要:The phase transformation from martensite to austenite during intercritical......
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