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中南大学学报(自然科学版)

Journal of Central South University

第34卷    第6期    总第154期    2003年12月

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文章编号:1005-9792(2003)06-0593-05
球磨工艺对Ti/HA复合材料原始粉料细化的影响
刘 芳,周科朝,刘 咏

(中南大学粉末冶金国家重点实验室,湖南长沙,410083)

摘 要: 在不同球磨介质中对Ti+30%HA配比的原始粉料进行高能球磨,通过TEM,SEM和EDX对球磨前、后的粉末进行观察,研究球磨工艺对Ti/HA复合材料原始粉料细化的影响.研究结果表明:随着球磨时间的延长,采用干磨工艺时,HA粉明显细化,Ti粉的细化程度不明显,HA粉堆积覆盖在Ti粉大颗粒上;采用湿磨工艺时,HA粉和Ti粉都明显细化.表明湿磨工艺可以提高球磨的细化效果,提高HA粉在Ti粉中的均匀弥散分布程度.

 

关键字: 复合材料;高能球磨;球磨工艺;弥散

Effect of milling technology on powder of Ti/HA composites
LIUFang, ZHOUKe-chao, LIUYong

State Key Laboratory for Powder Metallurgy, Central South University, Changsha 410083, China

Abstract:Ti+30%HA powder was high-energy ball milled in different milling media. The effects of milling technology on powder of Ti/HA composites were studied. The results show that: during dry-milling, increasing milling time can greatly refine HA powder, but has almost no influence on refinement ofTi powder. Under this condition, large Ti powders are packed and wrapped by fine HA powders. During wet milling, both Ti powder and HA powder can be obviously refined by increasing milling time, but the kinds of powder are together. Therefore, the existence of wet-milling medium can improve the effect of milling and dispersity of HA in Ti powder.

 

Key words: composites; high-energy ball milling; milling technology; dispersion

中南大学学报(自然科学版)
  ISSN 1672-7207
CN 43-1426/N
ZDXZAC
中南大学学报(英文版)
  ISSN 2095-2899
CN 43-1516/TB
JCSTFT
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