Neutron and X-Ray Diffraction Analyses of the Influence of Induction-Hardening and Deep-Rolling on the Residual Stresses in Crankshafts
Анализы методом нейтронного и рентгеновского дифракционного исследования влияния индукционного закаливания и глубокого катания на остаточные напряжения в коленчатых валах
2000-05-21
SCID: 54.1/pd36m8ag
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X-ray diffractioncrankshaftsdeep-rollingdeep-rolling forcehardening depthinduction hardeningneutron diffractionresidual stress analysisresidual stress distribution
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Abstract (AI)
X-ray and neutron diffraction are used for residual stress analyses in the transition between roll and bearing of deep-rolled or induction hardened respectively deep-rolled and induction hardened crankshafts. The results of the investigations reveal a significant influence of the deep-rolling force and the hardening depth on the residual stress level and the residual stress distribution.
Key Findings
1
Combination of induction hardening and deep-rolling alters the residual stress distribution compared to single treatments.
2
Deep-rolling force significantly influences the residual stress level in the transition region.
3
Hardening depth (from induction hardening) significantly affects both residual stress level and distribution.
4
X-ray and neutron diffraction were applied to analyze residual stresses at the roll-to-bearing transition in crankshafts.
Research Object
Crankshafts subjected to induction hardening and deep-rolling
Research Subject
Residual stress levels and distributions in the transition between roll and bearing as influenced by deep-rolling force and hardening depth, measured by neutron and X-ray diffraction
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2000-05-21
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