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Influence of the Temperature and the Deformation Reduction on the Graphite Morphology and Distribution of Spheroidal Cast Iron
Author(s): 
Pages: 45-47
Year: Issue:  3
Journal: HEAT TREATMENT OF METALS

Keyword:  球墨铸铁塑性变形石墨形态组织细化;
Abstract: 研究了球墨铸铁在(800±10)℃、(900±10)℃,单次变形量60%、30%的条件下,经不同方向多次压缩后石墨的形态变化和分布情况.结果表明,多向多次压缩变形时,石墨球在不同方向的应力作用下被剪切为小的石墨颗粒,大部分石墨球得到细化.在(80010)℃下,单次变形量为60%的多向多次压缩变形可使石墨颗粒的形态和分布明显变化,细化效果显著.
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