球压痕法评价16MnR钢的断裂韧性
Fracture Toughness of 16MnR Steel Evaluated by Ball Indentation Method
摘 要
选用16MnR钢作为试验对象, 用球压痕法测定了该钢的断裂韧度, 并将球压痕法获得的断裂韧度与常规力学试验转化得到的进行了对比。结果表明: 球压痕法获得的断裂韧度与常规力学试验转化得到的误差在10%以内, 该方法能有效评价16MnR钢的断裂韧性。
断裂韧性
16MnR钢
ball indentation method
fracture toughness
16MnR steel
Abstract
Ball indentation method was used to evaluate fracture toughness of 16MnR steel.The fracture toughness got from ball indentation method were compared with the result got from general mechanical tests conversion. The results show that the error of fracture toughness got from ball indentation method and general mechanical test conversion was less than 10%. The ball indentation menthod can effectively evaluate the fracture toughness of 16MnR steel.
中图分类号 TH140.7 DOI 10.11973/jxgccl201601008
所属栏目 试验研究
基金项目
收稿日期 2014/12/12
修改稿日期 2015/9/4
网络出版日期
作者单位点击查看
备注魏中坤(1989-), 男, 湖南常德人, 硕士。
引用该论文: WEI Zhong-kun,WU Sheng-bao,GUAN Kai-shu. Fracture Toughness of 16MnR Steel Evaluated by Ball Indentation Method[J]. Materials for mechancial engineering, 2016, 40(1): 32～34
魏中坤,伍声宝,关凯书. 球压痕法评价16MnR钢的断裂韧性[J]. 机械工程材料, 2016, 40(1): 32～34
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参考文献
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【9】伍声宝,徐彤,喻灿,等.采用球压痕法测16MnR钢的拉伸性能［J］.机械工程材料,2015,39(1):82-85.
【2】KACHANOV L M. Introduction to continuum damage mechanics［M］.Netherlands:Martinus Nijhoff, 1986.
【3】LEMAITRE J. A continuous damage mechanics model for ductile fracture［J］. Journal of Engineering Materials and Technology, 1985,107(1):83-89.
【4】OLIVER W C, PHARR G M. Measurement of hardness and elastic modulus by instrumented indentation: advances in understanding and refinements to methodology［J］. Journal of Materials Research,2004,19(1):3-20.
【5】LI H Q, CAI X, CHENG Q L. FEM analysis of the effect of interfacial constraint on damage evolution in the film during indentation［J］. Scripta Materialia, 2001,45(12):1381-1386.
【6】FOUGERE G E, WEERTMAN J R, RIESTER L, et al. Young′s modulus of nanocrystalline Fe measured by nanoindentation［J］. Materials Science and Engineering,1995,204(1):1-6.
【7】YANG M, AKIYAMA Y, SASAKI, T. Evaluation of change in material properties due to plastic deformation［J］. Journal of Materials Processing Technology, 2004,151(1/3):232-236.
【8】ANDERSSON H. Analysis of a model for void growth and coalescence ahead of a moving crack tip［J］.Journal of Mechanics and Physics of Solids,1977,25(3):217-233.
【9】伍声宝,徐彤,喻灿,等.采用球压痕法测16MnR钢的拉伸性能［J］.机械工程材料,2015,39(1):82-85.
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