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, a high strength in-process and post-process friendly Al alloy was developed for the selective laser melting (SLM) process, one of the most commonly used additive manufacturing techniques.
265 citations
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15 Feb 2000-Materials Science and Engineering A-structural Materials Properties Microstructure and Processing
TL;DR: In this paper, the influence of rear earths (RE) on the microstructure of AZ91 and Mg-6Al-xRE magnesium alloys was investigated, where x is 0, 1, 2 and 3% (in weight percent, wt%), respectively.
Abstract: AZ91–xRE and Mg–6Al–xRE magnesium alloys were studied, where x is 0, 1, 2 and 3% (in weight percent, wt.%), respectively. Influence of rear earths (RE) on the microstructure was investigated. Fine morphology could be achieved by high cooling rate. By casting fluidity spiral specimens, fluidities of the alloys were achieved. The hardness and microhardness of the alloys was tested. RE improved fluidity and hardness. By casting specimens in permanent mold, tensile properties of the alloys with different RE additions at ambient and elevated temperatures were studied. RE had little effect on ambient temperature tensile strength of AZ91 alloy but greatly improved that of Mg–6Al alloy and high temperature tensile properties of both alloys. The fracture behavior of the alloys, which was changed by RE and high temperature, was examined by scanning electron microscopy (SEM) and optical microscopy. Fracture of the alloys is predominantly brittle cleavage or/and quasi-cleavage failure.
265 citations
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TL;DR: In this article, the development of the microstructure of high supersaturated nanocrystalline FexCu100−x alloys was investigated by x-ray diffraction, differential scanning calorimetry, and transmission electron microscopy.
Abstract: Highly supersaturated nanocrystalline FexCu100−x alloys (10≤x≤95) have been prepared by mechanical alloying of elemental crystalline powders The development of the microstructure is investigated by x‐ray diffraction, differential scanning calorimetry, and transmission electron microscopy The results are compared with data for ball‐milled elemental Fe and Cu powders, samples prepared by inert gas condensation, and sputtered films The deformation during milling reduces the grain size of the alloys to 6–20 nm The final grain size of the powders depends on the composition of the material Single‐phase fcc alloys with x≤60 and single‐phase bcc alloys with x≥80 are formed even though the Fe‐Cu system exhibits vanishingly small solid solubilities under equilibrium conditions For 60≤x≤80, fcc and bcc solid solutions coexist The alloy formation is discussed with respect to the thermodynamic conditions of the material The role of the large volume fraction of grain boundaries between the nanometer‐sized cryst
265 citations
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TL;DR: An equiatomic CoCrFeNiMn high-entropy alloy was synthesized by mechanical alloying (MA) and spark plasma sintering (SPS) as mentioned in this paper.
264 citations
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TL;DR: In this article, the corrosion performance of WE43-T6 and AZ91D magnesium alloys with and without treatment by plasma electrolytic oxidation (PEO) was investigated by electrochemical measurements in 3.5-wt. NaCl solution.
264 citations