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三维三相纳米陶瓷刀具材料微观组织的相场法模拟
  • ISSN号：1000-7008
  • 期刊名称：工具技术
  • 时间：0
  • 页码：8-12
  • 分类：TG711[金属学及工艺—刀具与模具]
  • 作者机构：[1]山东大学, [2]山东大学高效洁净机械制造教育部重点实验室
  • 相关基金：国家自然科学基金（50975161;51005136）; 济南市高校自主创新计划（200906013）
  • 相关项目：原位合成晶须增韧纳米陶瓷刀具及其磨损破损行为研究
作者： 郝松|黄传真|邹斌|刘含莲|朱洪涛|
关键词： 相场法, 计算机模拟, 微观组织演化, 纳米复合材料, phase field method, computer simulation, microstructure evolution, nano-composite material
中文摘要：

建立了添加两种纳米颗粒的三相陶瓷刀具材料微观组织的相场法模拟模型,改进了三维尺度下的现有模拟算法,提出了一种更为有效的模拟算法,成功模拟了200×200×200单位的三相复合陶瓷刀具材料的微观组织演化过程,提高了计算效率。分别模拟了单相材料与三相纳米陶瓷刀具材料的微观组织演化过程。结果表明,添加纳米颗粒的三相纳米陶瓷刀具材料的晶粒尺寸分布峰值较小,说明纳米颗粒对晶界的钉扎效果明显,起到了较好的细化基体相晶粒的作用。

英文摘要：

A phase-field model of three-phase composite ceramic tool materials with two kinds of nano-particles is set up in this research.The three-dimensional simulation algorithm is modified and a new efficient algorithm is established.The microstructure evolution of three-phase nano-ceramic tool materials is more efficiently and successfully simulated in 200×200×200 unit size.Microstructure evolution of single-phase and three-phase ceramic tool materials is simulated respectively.It can be found that the peak value of grain size distribution for three-phase nano-ceramic tool material is smaller than average diameter.It indicates that the nano-particles not only restrain grain boundary migration,but also prevent the elimination of small grains and refine matrix grains.

同期刊论文项目
用于高速切削难加工材料的微叠层复合刀具研究
期刊论文 15
原位合成晶须增韧纳米陶瓷刀具及其磨损破损行为研究
期刊论文 36 专利 13
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期刊信息
  • 《工具技术》
  • 中国科技核心期刊
  • 主管单位:国家机械工业局
  • 主办单位:成都工具研究所
  • 主编：辛节之
  • 地址：成都市府青路二段24号
  • 邮编：610051
  • 邮箱：toolmagazine@chinatool.net
  • 电话：028-83245073
  • 国际标准刊号：ISSN：1000-7008
  • 国内统一刊号：ISSN：51-1271/TH
  • 邮发代号:62-32
  • 获奖情况:
  • 中文核心期刊,中国科技论文统计源期刊,四川省优秀期刊奖,机械部优秀期刊奖
  • 国内外数据库收录:
  • 波兰哥白尼索引,美国剑桥科学文摘,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:9263