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Title: The Improvement Of Fatigue Durability Of Carb. Steels With Surf. Structure Anomalies By Shot Peening
Author: Kikuchi, Ueda, Hanai, Naito
Source: Conf Proc: ICSP-2, (p.208-214)
Publication year 1984
Document number: 1984067
Number of pages: 7
Abstract:
Shot peening was applied to improve the fatigue durability of carburized steels with surface structure anomalies (internal oxides precipitated along the grain boundaries and
accompanied nonmartensitic microstructure near the surface). Rotating bending fatigue tests were carried out on the shot peened specimens both with and without surface
structure anomalies. The fatigue strength of both the specimens were successfully increased by shot peening and was comparable to each other. Thus, it was confirmed that
the shot peening was extremely effective to improve the fatigue durability of carburized steels with surface structure anomalies.
Descriptors: Chromium molybdenum steels-- Mechanical properties; Bending fatigue; Fatigue strength-- Stress effects; Carburizing; Residual stress; Shot peening
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