Release Time:2019-03-10  Hits:

Indexed by: Journal Article

Date of Publication: 2008-12-15

Journal: 计算力学学报

Included Journals: ISTIC、PKU

Volume: 25

Issue: z1

Page Number: 108-112

ISSN: 1007-4708

Key Words: 涡轮叶片;持久寿命;修正θ-Project Concept法

Abstract: 镍基高温合金用于制造发动机的高压涡轮叶片.为了提高涡轮叶片持久寿命设计参数选取和设计方法的可靠性,从涡轮叶片代表性部位取材并设计、加工试验试件,进行持久寿命试验.试验过程中记录试件的变形量,进而推算出其蟠变应变,然后利用修正θ-Project Concept法来建立其持久寿命预测方程,并对其进行验证.