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electroslag castings during hot compression was studied by thermal simulation test at the deformation condition of 900-1 100 ℃ and 0.01-10 s-1 on the Gleeble-3800 thermal-mechanical simulator... recrystallization.Key words:nickel-copper alloy NCu30-4-2-1; hot compression deformation; flow stress; hot deformation activation energy; dynamic recrystallization......
Hot Deformation Behavior and Processing Maps of As-cast Mn18Cr18N Steel陈慧琴,WANG Zhenxing,QIN Fengming,JIA Peijie,ZHAO XiaodongSchool of Materials Science and Engineering, Taiyuan University of Science and Technology摘 要:Hot deformation behavior of as-cast Mn18Cr18 N austenitic stainless steel was studied in the temperature range of 950-1200 ℃ and strain......
the high strain rate correction into account. The constitutive equation for a31 vol.% B4Cp/6061 Al composite was constructed based on the flow stresses measured during isothermal hot compression... was then verified by using DEFORM-3 D finite element analysis to simulate the experimental hot compression process. The results show that the modified equation successfully predicts flow stress, load......
backscatter diffraction(EBSD)and transmission electron microscope(TEM).The hot compression tests were performed different imposed reductions in the range of true strain from0.12 to 1.2...Dynamic recrystallization behavior of GH4169G alloy during hot compressive deformationDan Jia1,2,Wenru Sun2,Dongsheng Xu2,Fang Liu21. University of Chinese Academy of Sciences2. Institute of Metal......
Constitutive Modeling and Dynamic Recrystallization Mechanisms of an Ultralow-carbon Microalloyed Steel During Hot Compression Tests李宁,HUANG Yao,HAN Renheng,BAO Ziming,ZHU Yanqing,ZHANG Hexin,赵成志Key...="ChDivSummary">The hot deformation behavior of an ultralow-carbon microalloyed steel was investigated using an MMS-200 thermal simulation test machine in a temperature range of 1 073-1 373 K and strain......
correlations in this alloy have been established by several investigators[4-6], limited information is available on the mechanisms of hot deformation[7]. The objective of this study is to model the microstructural mechanisms of hot deformation of Ti-1023 alloy in a wide range of temperature and strain rate so that windows for industrial processing may be identified for optimizing workability......
. In this study, isothermal hot compression tests were carried out on NZ30K alloy. Based on the corrected data for deformation heating, a hyperbolic sine constitutive equation was determined to describe... for stresses over a wide range. In order to determine a constitutive equation of flow stress, isothermal hot compression stress-strain data are usually employed. However, because of the deformation heat......
Effects of Austempering after Hot Deformation on the Mechanical Properties of Hot Rolled Si-Mn TRIP Steel Sheets LI Zhuang1,WU Di1,ZHANG Ping-li3 (1.State Key Lab of Rolling and Automation... properties are obtained by austempering after hot deformation without subsequent heat treatment in the present Si-Mn TRIP steel sheets. Isothermal holding time after finishing rolling has affected......
Hot Deformation Behavior of Squeeze Casting SiC_p/2 A50 Matrix Composites徐宏1,张新2,31. School of Materials Science and Engineering, North University of China3. Center of Technology, Beijing North... parameter, and the correlation coefficient, R=0.99, which was very significant by examination. The hot deformation activation energy of SiCp/2A50 matrix composites was 163.47 KJ/mol by calculation......
-high strength Al-Zn-Cu-Mg-Sc-Zr alloy containing Sc under hot compression deformation LI Wen-bin1, 2, PAN Qing-lin1, LIANG Wen-jie1, HE Yun-bin1, LIU Jun-sheng1, LI Yun-chun1 (1. School of Materials... characteristics exist during hot compression deformation in the range of experiments. At lower strain rates(<1 /s), the flow stress increases with the increase of strain, then keeps steady and shows......