CRACK PROPAGATION TESTS OF CHEMICALLY MILLED TI-6A1-4V TITANIUM ALLOY AT -65F
Abstract
The crack propagation test is designed to investigate the effect of a stress raiser in sheet material under cyclic tensile loads. Its purpose is to simulate the effect of an undetected crack in fuselage, wing, or control surface skin under fatigue type tensile loads. Such cracks are presumed to form during fabrication or in subsequent service of a part as a result of stresses acting on sharp, notch-like defects. The crack propagation properties of chemically milled Ti6Al-4V at minus 65F are comparable to those at room temperature in application up to the 50,000 psi stress levels. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Nov 27, 1961
- Accession Number
- AD0283218
Entities
People
- K. Kono