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Title: Influence Of Fine Particle Bombarding On Surface Strength Of Carburized Steel Under Rolling Contact Condition
Author: Yuji Ohue and Yuji Senno
Source: Conf Proc: ICSP-10 Tokyo, Japan 2008
Publication year 2008
Document number: 2008071
Number of pages: 6
Abstract:
ABSTRACT
In order to evaluate the influence of fine particle bombarding (FPB) process on the surface strength of the carburized steel, four kinds of test specimens, which are
ascarburized, ground and FPBed ones, were fatigue tested using a ball-on-disk type testing machine under a constant loading, The results of the fatigue tests were discussed
using the statistic analysis and the observations on the surface properties after the fatigue tests. From the test results, there was a good possibility that the FPB process
after carburizing will be available for the purpose to increase the fatigue life by the improvement of the abnormal layer. The formation of the wear trace of the FPBed disk
during the fatigue process was different from that of the as-carburized and ground disks and the FPB process might control the propagation of the fatigue crack due to
flaking.
Key Words: Rolling Fatigue Strength, Fine Particle Bombarding, Carburizing, Abnormal Layer, Weibull Distribution
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This page last revised: 03/22/2010