Effect of Boron on the Structure and Properties of Disk Forgings from High-Temperature Alloy KhN73MBTYu-VD (ÉI98-VD) |
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| Authors: | Gorokhov V. P. Kolachev B. A. Parfenova O. A. Novikova M. B. |
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| Affiliation: | (1) Stupino Metallurgical Works Company, Stupino, Moscow Region, Russia;(2) Moscow Aircraft Engineering Institute – K. É, Tsiolkovsky Russian State Technological University, Moscow, Russia |
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| Abstract: | Boron segregation on the boundaries and in near-boundary volumes of alloy ÉI698-VD bearing up to 0.005% B and 0.01% B is investigated. The structure of fracture surfaces of impact specimens and the nature and distribution of boron carbides and borides on conventional and wide grain boundaries are described. Statistical analysis of controllable properties of production forgings with boron content in the supplied bars varying from at most 0.005% to at most 0.008% is performed. |
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