[1]王尚,杨荃,王晓晨,等.弹丸冲击速度对带钢表面鳞层破坏行为影响[J].哈尔滨工程大学学报,2018,39(04):766-771.[doi:10.11990/jheu.201701052]
 WANG Shang,YANG Quan,WANG Xiaochen,et al.Damage behavior of oxide scale at different blasting impact velocities[J].hebgcdxxb,2018,39(04):766-771.[doi:10.11990/jheu.201701052]
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弹丸冲击速度对带钢表面鳞层破坏行为影响(/HTML)
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《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
39
期数:
2018年04期
页码:
766-771
栏目:
出版日期:
2018-04-05

文章信息/Info

Title:
Damage behavior of oxide scale at different blasting impact velocities
作者:
王尚1 杨荃1 王晓晨1 何海楠1 单忠德2
1. 北京科技大学 工程技术研究院, 北京 100083;
2. 机械科学研究总院 先进成形技术与装备国家重点实验室, 北京 100083
Author(s):
WANG Shang1 YANG Quan1 WANG Xiaochen1 HE Hainan1 SHAN Zhongde2
1. Institute of Engineering Technology, University of Science and Technology Beijing, Beijing 100083, China;
2. State Key Laboratory of Advanced Forming Technology and Equipment, China Academy of Machinery Science and Technology, Beijing 100083, China
关键词:
抛丸冲击速度弹丸冲击速度鳞层有限元仿真失效区域除鳞模型
分类号:
TG111.91
DOI:
10.11990/jheu.201701052
文献标志码:
A
摘要:
为了有效提高抛丸除鳞效率,本文建立了单弹丸除鳞模型。利用有限元数值计算了弹丸冲击速度对鳞层破坏面积、基体塑形凹坑及残余应力的影响行为。结果表明:鳞层在很小的速度(5 m/s)冲击下即可发生破坏,弹丸冲击速度越大除鳞面积越大,同时也会造成基体应力/应变增加。弹丸冲击下鳞层失效区域由两部分构成,分别为弹丸冲击引起的直接失效区域与铁基体形变传递引起的间接失效区域,后者呈星状拓展。基体残留的塑性凹坑深度与冲击速度大致呈一次线性关系。现场实际生产中,应在满足表面粗糙度与残余应力要求的基础上选择较大的冲击速度。

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备注/Memo

备注/Memo:
收稿日期:2017-01-17。
基金项目:国家自然科学基金项目(51604024);国家"十二五"科技支撑计划(2015BAF30B01);中央高校基本科研业务费专项资金项目(FRF-TP-15-001A1);清华大学摩擦学国家重点实验室开放基金项目(SKLTKF16B11).
作者简介:王尚(1981-),男,博士研究生;王晓晨(1982-),男,副教授.
通讯作者:王晓晨,E-mail:wangxiaochen@ustb.edu.cn
更新日期/Last Update: 2018-04-11