WEKO3
アイテム
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Metallographic and Magentic Properties of a Yamato Iron Meteorite─Yamato-75-105
https://nipr.repo.nii.ac.jp/records/588
https://nipr.repo.nii.ac.jp/records/588e88a08ca-9f7e-4276-9b95-e35f1944ce3d
名前 / ファイル | ライセンス | アクション |
---|---|---|
KJ00000011276 (1.4 MB)
|
Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1976-12-01 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Metallographic and Magentic Properties of a Yamato Iron Meteorite─Yamato-75-105 | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
ページ属性 | ||||||
内容記述タイプ | Other | |||||
内容記述 | P(論文) | |||||
著者名(英) |
Nagata, Takesi
× Nagata, Takesi× Fisher, Robert M.× Sugiura, Naoji |
|||||
著者所属(英) | ||||||
en | ||||||
National Institute of Polar Research | ||||||
著者所属(英) | ||||||
en | ||||||
U.S. Steel Corporation Research Laboratory | ||||||
著者所属(英) | ||||||
en | ||||||
Geophysical Institute, University of Tokyo | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | A Yamato iron meteroite, Yamato-75-105, examined chemically, metallographically and magnetically, has revealed that the major elements of the metal base of this iron meteorite are 5.65% Ni, 1.0% P, and 0.52% Co, in addition to Fe occupying the most parts. From the chemical composition and the microstructure, this iron meteorite can be classified as a reheated hexahedrite, i. e. a Ni-poor ataxite. An "ablation zone" about 2mm in thickness on the flat surface indicates an extensive reheating on entry into the earth's atmosphere although traces of the original single-crystal features remain. Within the matrix of kamacite (95% Fe and 5% Ni) composition, Fe-Ni phosphide (schribersite ; 75% Fe, 10% Ni and 15% P) grains are enveloped by high-P kamacite of α-phase (91% Fe, 7% Ni and 2% P). These structures suggest that this meteorite specimen was reheated to above 1000℃. The acicular grain structure of the kamacite matrix indicates a rapid cooling rate after the reheating. Both metallographic and magnetic analyses have consistently revealed the above-mentioned conclusion. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00733470 | |||||
書誌情報 |
Memoirs of National Institute of Polar Research. Ser. C, Earth sciences 巻 10, p. 1-11, 発行日 1976-12 |