Creep Behavior of Ir-Nb-Ni Two-phase Refractory Superalloy(Special Issue on Creep and Fatigue at Elevated Temperatures)
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概要
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The compression properties and creep behaviors of the Ni added Ir_85Nb_15 alloys were investigated by compression tests in air and vacuum. X-ray diffraction, transmission microscopy and scanning electron microscopy were conducted to characterize the microstructure and lattice misfit change by the addition of Ni in Ir_85Nb_15 alloy. The results reveal that Ni addition can improve the yield strength of Ir_85Nb_15 alloy at room temperatures. 1 atomic percent Ni addition can raise creep resistance of Ir_85Nb_15 alloy two orders of magnitude. Basing on the results, the relationship among the Ni addition, the lattice misfit, microstructure development, and the creep behavior in Ni added Ir_85Nb_15 alloys is discussed in this paper.
- 一般社団法人日本機械学会の論文
- 2002-01-15
著者
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HARADA Hiroshi
National Institute of Information and Communications Technology (NICT)
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Harada H
New Generation Wireless Communications Research Center National Institute Of Information And Communi
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Harada Hiroshi
National Inst. Of Information And Communications Technol. (nict) Kanagawa Jpn
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YAMABE MITARAI
National Institute for Material Science
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Harada H
Laboratory Of Medicinal Plant Science Tokyo University Of Pharmacy And Life Science School Of Pharma
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Yamabe-mitarai Yoko
High Temperature Materials Research Group National Institute For Materials Science (nims)
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GU Yuefeng
National Research Institute for Metals
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YAMABE-MITARAI Yoko
National Research Institute for Metals
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NAKAZAWA Shizuo
National Research Institute for Metals
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NAKAZAWA Shizuo
High Temperature Materials Research Group, National Institute for Materials Science (NIMS)
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Nakazawa Shizuo
High Temperature Materials Research Group National Institute For Materials Science (nims)
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Harada Hiroshi
National Insitute Of Information And Communication Technology
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Yamabe-mitarai Yoko
National Institute For Material Science
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