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Title: Fine Particle Bombarding Technology And Functional Development Of Metal Surface
Author: Chuji Kagaya, Yoshiro Yamada
Source: Conf Proc: ICSP-10 Tokyo, Japan 2008
Publication year 2008
Document number: 2008066
Number of pages: 6
Abstract:
ABSTRACT:
Recent trends toward weight reduction, energy saving, and higher-efficiency of automobiles and aircrafts compared with previous generations mean that structural materials
with improved and diversified functionality are in great demand. Materials are required with higher fatigue and wear resistance, greater toughness, better sliding properties
and other characteristics combined. Incorporating these characteristics together in a material requires putting different functions in the material that may be contradictory
to each other. Thus far, there has been no material in existence possessing all these functions at one time. It can be expected, however, that modifying the material surface
to give a functional gradient to the superficial layer will give rise to a high-value-added material that meets required diversified characteristics. This paper reports on
the features of fine particle bombarding technology developed by paying attention to the high-speed bombardment of metallic and non-metallic fine particles, the fatigue
characteristics of fine particle-bombarded springs, and some examples of metallic film formation.
KEY WORDS Fine particle bombarding, fatigue strength, flat wire spring, microstructure, valve spring, TEM, dry surface coating, nitriding, titanium oxide film, tin coating.
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This page last revised: 03/22/2010