The influence of the hole-generation process on fatigue response of open-hole and assembled titanium samples

被引：4
作者：
Blais, Philippe [1 ,2 ]
Toubal, Lotfi [1 ]
Zitoune, Redouane [2 ]
机构：
[1] Univ Quebec Trois Rivieres, Mech Engn Dept, 3351 Boul Forges, Trois Rivieres, PQ G9A 5H7, Canada
[2] Univ Paul Sabatier, Inst Clement Ader, CNRS, UMR 5312, 3 Rue Caroline Aigle, F-31400 Toulouse, France
来源：
JOURNAL OF MANUFACTURING PROCESSES | 2024年 / 110卷
关键词：
Ti-6Al-4V; Fatigue; Conventional drilling; Nonconventional drilling; Abrasive waterjet; STRESS INTENSITY FACTOR; BOLT CLAMPING FORCE; SURFACE INTEGRITY; RESIDUAL-STRESS; CFRP/TI6AL4V STACKS; MATERIAL REMOVAL; SINGLE-LAP; STRENGTH; TI-6AL-4V; PREDICTION;
D O I：
10.1016/j.jmapro.2024.01.007
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The holes required for a bolted connection can be produced in several ways. The defects around the hole and the hole surface finish influence the fatigue life of the produced part. Abrasive waterjet cutting is compared with conventional drilling to assess these influences on titanium alloy parts. Open-hole tensile tests show a preferential fatigue behavior for conventionally drilled samples because of the lower roughness. The originality of this work focuses on linking the surface texture and damage to the life expectancy of the open-hole samples and determining the failure steps/modes of the assembled samples. A model is proposed to track the crack progression that offers adequate life estimations for open-hole samples. Single-shear assembly bearing tests show no difference between the drilling processes, and failure is obtained by secondary bending for both drilling methods.
引用
收藏
页码：412 / 423
页数：12
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