USE OF AUTOMATED BALL INDENTATION METHOD TO EVALUATE THE FRACTURE TOUGHNESS OF Q235B STEEL

ZHANG GuoXin; WANG WeiQiang; WANG Shang

doi:10.16579/j.issn.1001.9669.2018.05.031

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USE OF AUTOMATED BALL INDENTATION METHOD TO EVALUATE THE FRACTURE TOUGHNESS OF Q235B STEEL

更新时间：2022-09-22

- USE OF AUTOMATED BALL INDENTATION METHOD TO EVALUATE THE FRACTURE TOUGHNESS OF Q235B STEEL
- Journal of Mechanical Strength Vol. 40, Issue 5, Pages: 1205-1208(2018)
- 作者机构：
  
  1. 山东大学机械工程学院
  2. 山东省特种设备安全工程技术研究中心
  3. 山东大学特种设备安全保障与评价研究中心
- 作者简介：
- 基金信息：
- DOI：10.16579/j.issn.1001.9669.2018.05.031
  CLC：
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ZHANG GuoXin, WANG WeiQiang, WANG Shang. USE OF AUTOMATED BALL INDENTATION METHOD TO EVALUATE THE FRACTURE TOUGHNESS OF Q235B STEEL. [J]. 40(5):1205-1208(2018)
DOI：

ZHANG GuoXin, WANG WeiQiang, WANG Shang. USE OF AUTOMATED BALL INDENTATION METHOD TO EVALUATE THE FRACTURE TOUGHNESS OF Q235B STEEL. [J]. 40(5):1205-1208(2018) DOI： 10.16579/j.issn.1001.9669.2018.05.031.

摘要

自动球压痕法作为一种可以用来测量材料力学性能的新方法,近年来已经得到越来越多的研究。为了探讨自动球压痕法对于估算金属材料断裂韧度的适用性,以常用碳素结构钢板Q235B为试验材料,对其进行自动球压痕试验,并与常规断裂试验测量值对比,结果表明,自动球压痕试验与常规断裂试验测量的断裂韧度值偏差在10%之内,可以用该方法估测Q235B钢的断裂韧度。

Abstract

The automated ball indentation method（ ABI） which is a new way to evaluate the mechanical properties of the materials has been studied in recent years. In order to explore the applicability of the ABI method to evaluate the fracture toughness of metallic materials,some ABI tests were performed by using the Q235B steel. The fracture toughness got from the ABI tests were compared with that from the conventional fracture tests. The results of comparison show that the error between the two methods was less than 10%. As a result,the ABI method can be used to evaluate the fracture toughness of the Q235B steel.

关键词

自动球压痕Q235B断裂韧度

Keywords

ABIQ235BFracture toughness

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