海军航空工程学院学报2011,Vol.26Issue(4):378-380,3.
LY12CZ铝合金腐蚀疲劳影响系数(CFIC)规律研究
Research on the Corrosion Fatigue Influence Coefficient of LY 12CZ Aluminum Alloy
贺漫 1何勇 2张海峰3
作者信息
- 1. 海军驻青岛地区配套设备军事代表室,山东青岛266041
- 2. 海军装备技术研究所,北京100072
- 3. 海军航空工程学院指挥系,山东烟台264001
- 折叠
摘要
Abstract
Corrosion fatigue influence coefficient is often applied to consider the effect of corrosion environment on material fatigue performance in study of aircraft calendar life. For precorrosion LYI2CZ aluminum alloy specimens fatigue and corrosion fatigue test were performed under random and constant amplitude spectrum load in order to analyze the role of corrosion fatigue influence coeff~cient (CFIC) with pre-corrosion years and load spectrum. The test results were as bellow. The first, CFIC increased with the increment of pre-corrosion years and approximates to 1 when corrosion to a certain degree. This meant that the effect of corrosion fatigue could not be considered at the middle and evening of airplane calendar life. The second, CFIC had a weak correlation with fatigue load spectrum. This also meant that a small quantity of the research of CFIC under constant spectrum load was carried on in study of corrosion fatigue coefficient.关键词
预腐蚀/腐蚀疲劳/腐蚀疲劳影响系数/日历寿命/载荷谱Key words
pre-corrosion/corrosion fatigue/corrosion fatigue influence coefficient/calendar life/load spectrum引用本文复制引用
贺漫,何勇,张海峰..LY12CZ铝合金腐蚀疲劳影响系数(CFIC)规律研究[J].海军航空工程学院学报,2011,26(4):378-380,3.