Topic
Alloy
About: Alloy is a research topic. Over the lifetime, 171884 publications have been published within this topic receiving 1719420 citations. The topic is also known as: alloys.
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TL;DR: In this paper, the authors showed that duplex annealing at temperatures below the β transus temperature of the alloy would lead to such a microstructure while retaining the mesostructure, whose nature depends on the process parameter combinations utilized.
188 citations
TL;DR: In this article, the roles of rare earth elements on the texture weakening of Mg alloy were assessed and alloy design concepts and optimum process conditions for Mg alloys were suggested to increase the formability of mg alloy.
188 citations
TL;DR: In this paper, the basic principles involved in the use of alloys as negative electrodes, as well as the conversion of oxides to alloys, are presented and available data on the behavior of a number of lithium alloys and binary oxides as negative electrode in lithium systems are also included.
188 citations
TL;DR: In this article, the shape memory effect and superelastic behavior of biomedical shape memory alloys were investigated by tensile tests at various temperatures and X-ray diffraction measurement.
Abstract: In order to develop new biomedical shape memory alloys, mechanical properties and shape memory behavior of Ti-22Nb-(0.5-2.0)O(at%) alloys were investigated by tensile tests at various temperatures and X-ray diffraction measurement. The Ti-Nb-O alloys were fabricated by an arc melting method and then homogenized at 1273 K for 7.2ks. The ingots were cold-rolled with a reduction up to 98.5% in thickness and solution treated at 1173 K for 1.8 ks. The fracture stress of both as-rolled specimen and solution treated specimen increased with increasing oxygen content. A fracture stress of 1.37 GPa was obtained in the as-rolled Ti-22Nb-20 alloy. The martensitic transformation temperature decreased by 160 K per 1 at% increase of oxygen content. Superior shape memory effect and superelastic behavior were observed at room temperature in the Ti-22Nb-(0.5-1.5)O alloys. The addition of oxygen stabilized superelastic behavior of Ti-Nb alloys by increasing the critical stress for permanent deformation. The maximum shape recovery strain of 4.0% and the critical stress of 900 MPa for permanent deformation were obtained in the Ti-22Nb-0.5O and Ti-22Nb-1.50 alloys, respectively.
188 citations
TL;DR: In this paper, the structure and composition of worn surfaces, and in particular of the tribologically important "glaze" region, formed on four alloys after sliding in air at elevated temperatures (150-800°C) have been determined.
188 citations