Non-destructive Testing Device for Hot Forming High Strength Steel Parts Based on Barkhausen Noise

被引：4
作者：
Luo, Xiaoyu [1 ]
Zhang, Yu [1 ]
Wang, Zijian [1 ]
Zhang, Yisheng [1 ]
机构：
[1] Huazhong Univ Sci & Technol, State Key Lab Mat Proc & Die & Mould Technol, Wuhan 430074, Peoples R China
来源：
APPLIED MATERIALS AND TECHNOLOGIES FOR MODERN MANUFACTURING, PTS 1-4 | 2013年 / 423-426卷
关键词：
High strength steel; Hot forming; Barkhausen noise; Nondestructive Testing; HARDNESS; MICROSTRUCTURE; EMISSION;
D O I：
10.4028/www.scientific.net/AMM.423-426.2555
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In order to realize the nondestructive testing for hot forming high strength steel parts, a hardness testing device based on Magnetic Barlchausen Noise (MBN) was developed. By measuring MBN of standardized blocks of Rockwell hardness and extracting feature values of the noise, a fitted curve between hardness and MBN peak was calibrated. Good linearity was found between hardness and MBN peak within high hardness range 35 similar to 60BRC. The testing device was proved to be high-precision and stable by measuring the practical high strength steel parts.
引用
收藏
页码：2555 / 2558
页数：4
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