阳极氧化层对活塞热负荷的影响研究

中国机械工程 ›› 2015, Vol. 26 ›› Issue (9): 1152-1157.

阳极氧化层对活塞热负荷的影响研究

王毅;杨靖;张云飞;刘凯敏;邓帮林;冯仁华

湖南大学汽车车身先进设计制造国家重点实验室,长沙,410082

出版日期:2015-05-10 发布日期:2015-05-08
基金资助:
国家高技术研究发展计划（863计划）资助项目(2012AA111801)

Influences of Anodic Oxidation Coating on Thermal Loads of Piston

Wang Yi;Yang Jing;Zhang Yunfei;Liu Kaimin;Deng Banglin;Feng Renhua

State Key Laboratory of Advanced Design and Manufacture for Vehicle Body,Hunan University,Changsha,410082

Online:2015-05-10 Published:2015-05-08
Supported by:
National High-tech R&D Program of China (863 Program) （No. 2012AA111801）

摘要/Abstract

摘要：

为了探究某发动机铝质活塞阳极氧化对其热负荷的影响,借助硬度塞温度测试法及数值分析手段,分别对该发动机原始活塞和阳极氧化活塞进行温度场和热应力计算分析。结果表明,在最大负荷工况下，阳极氧化活塞最高温度较原始活塞最高温度降低了7.1%,其最大热应力较原始活塞最大热应力减小了24.5%,其他区域温度和热应力均有不同程度的减小。阳极氧化工艺降低了活塞的热负荷,同时有利于增强活塞的可靠性,延长其使用寿命。

关键词: 活塞, 阳极氧化, 温度场, 热应力

Abstract:

In order to investigate heat loads of an engine piston made of aluminum after anodic oxidation, both of temperature field and thermal stress of original piston and anodic oxidation piston were researched combined simulation with experiments. It shows that, under peak load conditions, compared with the original piston the highest temperature of anodic oxidation piston is reduced by 7.1%, the maximum thermal stress is reduced by 24.5%, the situations of other points of piston are of the same trends. As a result, heat loads of the piston are decreased after anodic oxidation and it is benefit for the reliability and working life of piston.

Key words: piston, anodic oxidation, temperature field, thermal stress

中图分类号:

TK411.6

王毅, 杨靖, 张云飞, 刘凯敏, 邓帮林, 冯仁华. 阳极氧化层对活塞热负荷的影响研究[J]. 中国机械工程, 2015, 26(9): 1152-1157.

Wang Yi, Yang Jing, Zhang Yunfei, Liu Kaimin, Deng Banglin, Feng Renhua. Influences of Anodic Oxidation Coating on Thermal Loads of Piston[J]. China Mechanical Engineering, 2015, 26(9): 1152-1157.

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