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A fatigue and creep-rupture testing program was conducted on solution-treated and aged sheet specimens of titanium alloy B-120VCA at room and elevated temperatures. Data on aged bar stock, previously tested, are also included for comparison. All tests were conducted in axial-stress machines with various combinations of alternating and mean stresses. Notched as well as smooth specimens were used. The data are presented in the form of S-N and creep rupture diagrams, and the effect of various combinations of alternating and mean stresses is shown by means of constant-life diagrams. Creep data are given in the form of creep-time curves, and for design purposes, creep strength curves are presented.
Mechanical and physical property data, necessary to fulfill the requirements of Phase II of the Department of Defense Titanium Alloy Sheet Rolling Program, were obtained for selected solution treated and aged titanium alloys in sheet form. Four alloys were investigated: BI20VCA, (Ti-13V-11Cr-3Al), Ti-6Al-4v, Ti-2.5Al-16V, and Ti-4Al-3Mo-1V. They were suppled by the producers in the heat treated condtion from fhree or more heats and three thicknesses of each alloy. Static mechanical property data for tension, compression, bearing, shear and crippling; creep and rupture data for tension, compression, bearing and shear; and axial-load fatigue data were obtained at room and elevated temperatures. Fastener and weld joint data from -320F to 80F and physical properties from -420F to 1200F were obtained. Volume 2b contains procedures and results for creep and fatigue tests.
This handbook is an excellent reference for materials scientists and engineers needing to gain more knowledge about these engineering materials. Following introductory chapters on the fundamental materials properties of titanium, readers will find comprehensive descriptions of the development, processing and properties of modern titanium alloys. There then follows detailed discussion of the applications of titanium and its alloys in aerospace, medicine, energy and automotive technology.
Technical reports published by the Air Force Materials Laboratory during the period 1 July 1966-31 December 1966 are abstracted herein and indexed by branches of the laboratory, technical subject matter, investigator, project monitor and contractor. Reports on research conducted by the Air Force Materials Laboratory personnel as well as that conducted on contract are included.
A fatigue, creep, and stress-rupture testing program was conducted on bar specimens of Rene 41 and Inconel X-750 and on sheet specimens of Magnesium Alloy HK31A-H24, and Titanium Alloys, Ti-4Al-3Mo-1V and Ti-6Al-4V. Tests were conducted at room temperature and at appropriate elevated temperatures under axial-stress conditions and at various combinations of mean and alternating stresses. Notched as well as smooth specimens were tested. The fatigue data are presented in the form of S-N diagrams, and the effects of various combinations of alternating and mean stresses are shown by means of constant-life diagrams. Creep data are given in the form of creep-time curves, and for design purposes, creep-strength curves are presented. (Author).
This paper discusses short-time creep-rupture life properties of four preloaded titanium alloys under rapid heating conditions. The specimens were resistantly heated, and some comparisons were made with radiantly heated specimens.