Electronics Incorporated - The Shot Peener - Shot Peening Library
Title: Effect Of Shot Peening On Temper Hardness
Author: Kobayashi, Ujihashi, Okumura, Ishikura, Kano, Kato
Source: Conf Proc: ICSP-10 Tokyo, Japan 2008
Publication year 2008
Document number: 2008065
Number of pages: 5
Abstract:
ABSTRACT
Shot peening improves contact fatigue strength of mechanical components due to work hardening. However, in the case of components used under high pressure such as gears of
automotive transmission, temperature of the contact part elevated over 200 due to frictional heat. Therefore, it was expected that the part cause reduction of beneficial
effect of shot peening via temper softening. In this research, softening
behavior of shot peened carburized steel due to elevated temperature was investigated, and then the effect of shot peening in high temperature was considered.
KEY WORDS
Carburized steel, Temper, Softening, Vickers hardness, Auto motive gear
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