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 article, the glass-forming ability of Ti-Zr-Hf-Cu-M (M=Fe, Co, Ni) alloys was examined by melt-spinning and copper mold casting methods.
Abstract: The glass-forming ability of Ti–Zr–Hf–Cu–M (M=Fe, Co, Ni) alloys was examined by melt-spinning and copper mold casting methods. New Ti20Zr20Hf20Cu20Ni20 bulk glassy rod of 1.5 mm in diameter was formed by copper mold casting. The Tx and Tg of the glassy rod were 711 K and 658 K and Tg/Tm was 0.57. The bulk glassy alloy can be characterized by equal concentration of constituent elements without distinct host component. It is confirmed that more multicomponent glassy systems have a better glass-forming ability as compared with simpler alloy systems. The glassy alloy rod also exhibits good mechanical properties which are similar to those for ordinary glassy alloys. The finding of this alloy system may provide a new synthesis method of bulk glassy alloys.
169 citations
TL;DR: In this paper, the influence of oxygen on the crystallization behavior of Zr65−xCu27.5Al7.5Ox (x=0.14, 0.43, and 0.82) and Zr66.7−xcu33.3Ox(x= 0.14) metallic glasses has been studied.
169 citations
TL;DR: In this article, the phase, microstructure, mechanical and corrosion properties of as-deposited alloy as well as samples aged at temperatures of 600 Â c, 800 Â cm, 1000 Ã cm, and 1200 Ã c for 168 Â h have been investigated.
168 citations
TL;DR: In this paper, the authors report on the alloy design strategies, precipitation mechanism and mechanical properties of an ultra-high strength steel hardened by co-precipitation of nanoscale NiAl and Cu particles.
168 citations
TL;DR: In this paper, the surface structure and composition of thin films of silver-gold alloys are used to deduce the processes involved in the dissolution of these alloys in nitric acid solutions.
Abstract: Microscopic observations of the surface structure and composition of thin films of silver-gold alloys are used to deduce the processes involved in the dissolution of these alloys in nitric acid solutions. The micromorphology consists of an island-and-channel structure whose formation depends in detail on the initial overall composition of the alloy. The micromorphology can be modified by annealing for short times at elevated temperature, by storage for long periods at room temperature, or by increasing the strength of the acid during corrosion, giving very similar results. These observations can be explained in terms of a model in which corrosion proceeds by selective dissolution of the less noble component, thereby creating a disordered surface layer which subsequently reorders by surface diffusion.
168 citations