Microstructural Change Induced by Fine Particle Peening and Its Effect on Elemental Diffusion
Microstructural Change Induced by Fine Particle Peening and Its Effect on Elemental Diffusion
复制标题
细颗粒喷丸引起的微观结构变化及其对元素扩散的影响
DOI：
10.1299/jmmp.2.1330
复制
发表时间：
2008
期刊：
影响因子：
--
通讯作者：
J. Komotori
中科院分区：
文献类型：
--
作者：
Y. Hirota;S. Kikuchi;J. Komotori
采用场发射扫描电子显微镜（FE-SEM）和X射线衍射峰半高宽（FWHM）对工业纯铁经细颗粒喷丸（FPP）处理后的显微组织变化进行了详细观察。还讨论了预FPP处理对氧在铁中扩散过程的影响。FPP处理在处理表面上产生具有许多位错和晶界的分层图案。这种独特的微观结构强烈影响的扩散能力，使较厚的氧集中层上观察到预FPP/氧扩散处理的表面。
Investigation of microstructural changes in pure commercial-grade iron caused by fine particle peening (FPP) treatment was undertaken by detailed observation using field emission-scanning electron microscopy (FE-SEM) and measurement of the X-ray diffraction peak full width at half maximum (FWHM). The effect of pre-FPP treatment on the oxygen diffusion process within iron is also discussed. FPP treatment produced stratification patterns with many dislocations and grain boundaries on the treated surface. This unique microstructure strongly affected the diffusion capacity, so that thicker oxygen-concentrated layers were observed on pre-FPP/oxygen diffusion-treated surfaces.