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author:

卢月美 (卢月美.) [1] (Scholars:卢月美) | 王世伟 (王世伟.) [2] | 刘建仁 (刘建仁.) [3] | 李树江 (李树江.) [4] (Scholars:李树江)

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CQVIP

Abstract:

研究了退火处理对金属型铸态奥贝球铁弯曲疲劳性能的影响.试验结果表明:(1)退火处理可提高金属型铸态奥贝球铁的抗弯曲疲劳性能,250℃保温2h后空冷的抗弯曲疲劳性能最好,其弯曲循环周次为铸态下的2.52倍;(2)退火处理对石墨形态无明显影响,随着退火温度的升高,基体组织逐渐由下贝氏体向上贝氏体转变,残余奥氏体逐渐减少;(3)退火处理不改变奥贝球铁的疲劳断裂机理,断口中石墨剥离得越多,说明基体塑性变形能力越强,抗弯曲疲劳性能越好.

Keyword:

奥贝球铁 疲劳性能 退火 铸态

Community:

  • [ 1 ] [卢月美]福州大学
  • [ 2 ] [王世伟]福州大学
  • [ 3 ] [刘建仁]福建省机械科学研究院
  • [ 4 ] [李树江]福州大学

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Source :

现代铸铁

ISSN: 1003-8345

CN: 32-1112/TG

Year: 2015

Issue: 2

Volume: 35

Page: 23-27

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 1

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