Cyclic hardness test PHYBALCHT - Short-time procedure to evaluate fatigue properties of metallic materials

被引:43
|
作者
Kramer, Hendrik S. [1 ]
Starke, Peter [1 ]
Klein, Marcus [1 ]
Eifler, Dietmar [1 ]
机构
[1] Univ Kaiserslautern, Inst Mat Sci & Engn, D-67653 Kaiserslautern, Germany
关键词
Cyclic hardness test; Fatigue properties; Short-time procedure; Metallic materials; PHYBAL(CHT); LIFE CALCULATION; STRESS-STRAIN; STEEL; TEMPERATURE; BEHAVIOR;
D O I
10.1016/j.ijfatigue.2014.01.009
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
The evaluation of fatigue properties of metallic materials with conventional methods requires time and cost consuming experiments. That is why a new short-time procedure named PHYBAL(CHT) was developed at the Institute of Materials Science and Engineering at the University of Kaiserslautern. This method requires only a planar material surface to perform cyclic force-controlled hardness indentation tests. To characterize fatigue properties of metallic materials the change of the force-indentation-depth-hysteresis has to be plotted versus the number of indentation cycles (N). In analogy to the plastic strain amplitude which is used to characterize the cyclic deformation behavior the indentation-depth width of the hysteresis loop is specified as plastic indentation-depth amplitude (h(a,p)). This parameter is well suited to characterize fatigue properties of metallic materials. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码:78 / 84
页数:7
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