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High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes

年間 4 号発行

ISSN 印刷: 1093-3611

ISSN オンライン: 1940-4360

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 0.4 The Immediacy Index is the average number of times an article is cited in the year it is published. The journal Immediacy Index indicates how quickly articles in a journal are cited. Immediacy Index: 0.1 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.00005 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.07 SJR: 0.198 SNIP: 0.48 CiteScore™:: 1.1 H-Index: 20

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TWO-DIMENSIONAL X-RAY DIFFRACTION TO INVESTIGATE γ/γ' LATTICE MISFITS IN DIFFERENT PREPARATIONS OF SINGLE-CRYSTAL NICKEL-BASED SUPERALLOY DD483

巻 19, 発行 3-4, 2015, pp. 231-247
DOI: 10.1615/HighTempMatProc.2016016711
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要約

This paper investigates lattice misfits of γ/γ' phases in different preparations of a single-crystal nickel-based superalloy DD483 using the two-dimensional X-ray diffraction with the positive and reciprocal space mapping. The lattice misfit in a heat-treated sample has a positive value, in contrast to the negative value lattice misfit in an as-solidified sample. This difference is due to the alloying-element diffusion decreasing the lattice constant of the γ phase and increasing that of the γ' phase during heat treatment. The lattice constants of the γ and γ' phases in a creep-deformed sample are lower than those in the heat-treated state, respectively. The difference in the lattice constants of the γ' phase in heat-treated and creep-deformed samples is less than that of the γ phase, so the lattice misfit in the creep-deformed sample slightly increases. This trend is due to the superposition of coherent stress, internal stress, and applied stress. Ultimately, we show that the method measures the lattice constants and misfits of the γ/γ' phases in nickel-based superalloys simply, conveniently, and precisely.

によって引用された
  1. Ren Weili, Niu Chunlin, Ding Biao, Zhong Yunbo, Yu Jianbo, Ren Zhongming, Liu Wenqing, Ren Liangpu, Liaw Peter K., Improvement in creep life of a nickel-based single-crystal superalloy via composition homogeneity on the multiscales by magnetic-field-assisted directional solidification, Scientific Reports, 8, 1, 2018. Crossref

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