A study of hot deformation behavior and microstructural characterization of Mo-TZM alloy

被引：51

作者：

Majumdar, S. ^{[1
]}

Kapoor, R. ^{[1
]}

Raveendra, S. ^{[2
]}

Sinha, H. ^{[3
]}

Samajdar, I. ^{[2
]}

Bhargava, P. ^{[2
]}

Chakravartty, J. K. ^{[1
]}

Sharma, I. G. ^{[1
]}

Suri, A. K. ^{[1
]}

机构：

[1] Bhabha Atom Res Ctr, Mat Group, Bombay 400085, Maharashtra, India

[2] Indian Inst Technol, Dept Met Engn & Mat Sci, Bombay 400076, Maharashtra, India

[3] Indian Inst Technol, Kharagpur 721302, W Bengal, India

来源：

JOURNAL OF NUCLEAR MATERIALS | 2009年 / 385卷 / 03期

关键词：

TITANIUM-0.1 PCT ZIRCONIUM; FAST-NEUTRON IRRADIATION; MO-5-PERCENT RE ALLOYS; CARBON ARC CAST; TENSILE PROPERTIES; MECHANICAL-PROPERTIES; MOLYBDENUM ALLOY; STRAIN-RATE; FRACTURE-TOUGHNESS; GRAIN-ORIENTATION;

D O I：

10.1016/j.jnucmat.2008.12.049

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Hot compression testing of Mo-TZM (Mo-0.5Ti-0.1Zr-0.02C) alloy was carried out between 600 and 900 degrees C employing strain rates from 0.001 s(-1) to 1 s(-1). Both the constant strain rate and strain rate change test results showed that Mo-TZM possesses low strain rate sensitivity in this temperature range. Activation energy calculated by using strain rate change data and plotting temperature compensated strain rate (Z) vs. shear modulus corrected flow stress (sigma/G) was found to be 290 kJ/mol. Electron back scattered diffraction (EBSD) and transmission electron microscopic (TEM) results obtained from the rapidly cooled deformed specimens revealed the formation of subgrains. Flow stress-plastic strain results and misorientation angles between subgrains showed an anomalous behavior at 800 degrees C. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：545 / 551

页数：7

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