Fatigue Properties in Electrodeposited Nanocrystalline Ni-W Alloy
نویسندگان
چکیده
منابع مشابه
Nanoindentation and micro-mechanical fracture toughness of electrodeposited nanocrystalline Ni–W alloy films
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Wear behavior of carbon steel electrodeposited by nanocrystalline Ni–W coating
Ni-W coatings, compared to pure nanocrystalline Ni, exhibit higher hardness and wear resistance. In some cases, these coatings are considered as environmental friendly alternatives for hard chromium coating. Till now, most of Ni-W coatings have been produced by direct current electrodeposition from alkaline baths. In this study square pulse current was used for deposition of Ni-W precipitates f...
متن کاملwear behavior of carbon steel electrodeposited by nanocrystalline ni–w coating
ni-w coatings, compared to pure nanocrystalline ni, exhibit higher hardness and wear resistance. in some cases, these coatings are considered as environmental friendly alternatives for hard chromium coating. till now, most of ni-w coatings have been produced by direct current electrodeposition from alkaline baths. in this study square pulse current was used for deposition of ni-w precipitates f...
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To evaluate a Ni-43.5wt%Ti alloy as a new alloy for cast clasp, the fatigue properties of its castings were examined and compared with those of Co-Cr and Type IV Au alloys castings. The Ni-Ti alloy was cast into a phosphate-bonded investment mold using an argon-arc melting and pressure casting machine. The Ni-Ti alloy castings showed superelasticity in bending tests. Fatigue tests were carried ...
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High temperature nanoindentation experiments are conducted to assess the activation enthalpy for deformation of nanocrystalline Ni-W alloys, for grain sizes between 3 and 80 nm. Thermal softening becomes less pronounced at finer grain sizes, and the activation enthalpy has an apparent inflection at a grain size near ~10-20 nm, in the vicinity the Hall-Petch breakdown. This inflection is related...
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ژورنال
عنوان ژورنال: Journal of the Japan Institute of Metals and Materials
سال: 2013
ISSN: 0021-4876,1880-6880
DOI: 10.2320/jinstmet.j2012067