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多次多向等温变形对球墨铸铁石墨形态的影响 被引量：1

Influence of the repeated and multidirectional isothermal deformation on the graphite morphology of spheroidal graphite iron
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摘要 研究了球墨铸铁在900±10℃下,经不同方向多次压缩变形后石墨的形态变化.结果表明:单向压缩后石墨球变成近似平行分布的石墨片,经多向压缩后石墨片分裂;沿不同方向多次变形,石墨球在不同方向应力作用下被剪为小的石墨颗粒,起到了细化石墨球的作用. The graphite morphology evolution of spheroidal graphite iron after deformation in different directions at 900±10℃ was studied. The results show that some of graphite spheres become approximately parallel graphite flakes after single-direction deformation. The parallel graphite flakes split after further deformation in different directions. With specimen deformed in 3 perpendicular directions repeatedly, the graphite spheres are split into the fine graphite particles.
作者 杜晋峰 梁伟 赵兴国 张峰 翟丽珍
机构地区 太原理工大学材料科学与工程学院
出处 《材料科学与工艺》 EI CAS CSCD 北大核心 2008年第2期271-273,共3页 Materials Science and Technology
基金 国家自然科学基金(50171046) 山西省自然科学基金(20021051)
关键词 球墨铸铁 塑性变形 石墨形态 组织细化 spheroidal graphite iron plastic deformation graphite morphology refinement
分类号 TG111.7 [金属学及工艺—物理冶金]
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参考文献8

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材料科学与工艺
2008年 第2期

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