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SYMPOSIA PAPER Published: 01 January 1980

STP38203S

On the Embrittlement and Toughness of High-Purity Fe-30Cr-2Mo Alloy

Source

Experiments were conducted to explain unexpected embrittlement phenomena encountered in fabricating a high-purity Fe-30Cr-2Mo alloy. By means of a hydrostatic tension test with a Bridgman-type specimen it was found that the fracture behavior of the alloy is highly dependent on stress state. Under conditions of low triaxial stress, the alloy displays excellent ductility. Under conditions of high triaxial stress, however, it shows less strain to fracture and a transition from ductile to cleavage fracture. The toughness of the Fe-30Cr-2Mo alloy can be significantly improved by thermomechanical processing.

Author Information

Saito, S

The Research Institute for Iron, Steel and Other Metals, Tohoku University, Japan

Tokuno, H

The Research Institute for Iron, Steel and Other Metals, Tohoku University, Japan

Shimura, M

The Research Institute for Iron, Steel and Other Metals, Tohoku University, Japan

Tanaka, E

The Research Institute for Iron, Steel and Other Metals, Tohoku University, Japan

Kataura, Y

The Research Institute for Iron, Steel and Other Metals, Tohoku University, Japan

Ototani, T

Metal Research Corp., Japan

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Details

Developed by Committee: A01

Pages: 77–98

DOI: 10.1520/STP38203S

ISBN-EB: 978-0-8031-5553-4

ISBN-13: 978-0-8031-0792-2