Microstructure and Mechanical Properties of A Ultra-High Carbon Steel

Author:

Lin Wei Ping1,Fan Ya Jun2,Zhang Zhan Ling1,Zhu Jie Wu3,Liu Yong Ning4

Affiliation:

1. Xi'an Jiaotong University

2. Xi’an Saite Metal Materials Development Co.,Ltd

3. Xi’an Jiaotong University

4. Xi an Jiaotong University

Abstract

A ultrahigh carbon steels (UHCS) containing 1.6 wt pct carbon was studied. Through spheroidizing process by divorced-eutectoid transformation (DET), the forged microstructure was spheroidized and the microstructure was fine carbide particles distributed in ferrite matrix. Second-time heat treatment included two kinds of technologies: normalizing and quenching + tempering. Finally, the UHCS obtained ideal mechanical properties. The yield strength and tensile strength of the UHCS were higher than that of 40CrNiMo, moreover plasticity of the UHCS was equal to that of 40CrNiMo. So the UHCS was an excellent structural material.

Publisher

Trans Tech Publications, Ltd.

Subject

Mechanical Engineering,Mechanics of Materials,General Materials Science

Reference6 articles.

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3. Sherby O D. Divorced Eutectoid Transformation Process and Product of Ultrahigh CarbonSteels[P]. United States Patent: 4 448 613, 1984-05-15.

4. Sherby O D. Ultrahigh Carbon Steel Alloy and Processing Thereof[P]. United States Patent: 4 533 390, 1985-08-06.

5. Taleff E M. Pearlite in Ultrahigh Carbon Steels: Heat Treatments and Mechanical Properties[J]. Metallurgical and Materials Transactions, 1996, 27A(1): 111-118.

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