Influence of Impact Force, Impact Angle, and Stroke Length in Machine Hammer Peening on the Surface Integrity of the Stainless Steel X3CrNiMo13-4
Influence of Impact Force, Impact Angle, and Stroke Length in Machine Hammer Peening on the Surface Integrity of the Stainless Steel X3CrNiMo13-4
复制标题
机锤喷丸冲击力、冲击角度和行程长度对不锈钢 X3CrNiMo13-4 表面完整性的影响
DOI:
10.1016/j.procir.2018.05.091
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发表时间:
2018
期刊:
影响因子:
--
通讯作者:
Klocke
中科院分区:
文献类型:
--
作者:
Mannens;Trauth;Mattfeld;Klocke
Industrial standard for introducing compressive residual stresses and improving the fatigue life of compressor blades in pumps, martensitic chromium-nickel stainless steel X3CrNiMo13-4 is surface treated by means of shot peening. Due to the process principle, the kinetic impact energy of the shot peening medium is lower and the resulting surface roughness is higher when compared with another mechanical surface treatment technology machine hammer peening. Machine hammer peening is an incremental, high-frequency surface treatment process that offers advantages over shot peening due to its deterministic process kinematics. However, the influence of the process parameters of machine hammer peening such as impact force, impact angle, and stroke length on the surface integrity of X3CrNiMo13-4 is unknown. Therefore, the objective of this work is to investigate the influence of peening strategies on the residual stresses and the surface roughness depending on various combinations of process parameters. Additionally, the surface layer state after machine hammer peening is compared to both, a milled and a shot peened surface. The results show that machine hammer peening leads to smoother surfaces accompanied by higher compressive residual stresses compared to an industrial shot peening reference.
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DOI:
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发表时间:
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期刊:
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Advanced Materials Research
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Key Engineering Materials
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Key Engineering Materials
影响因子:
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J. Scheil;C. Müller;M. Steitz;P. Groche
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P. Groche