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  1. 原著論文

Tensile Properties and Damping Capacity of Cold-Rolled Fe-20Mn-12Cr-3Ni-3Si Damping Alloy

https://repo.qst.go.jp/records/85062
https://repo.qst.go.jp/records/85062
80f1a349-3773-4f6f-bc89-78bbd4404b97
Item type 学術雑誌論文 / Journal Article(1)
公開日 2021-12-27
タイトル
タイトル Tensile Properties and Damping Capacity of Cold-Rolled Fe-20Mn-12Cr-3Ni-3Si Damping Alloy
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 journal article
アクセス権
アクセス権 metadata only access
アクセス権URI http://purl.org/coar/access_right/c_14cb
著者 Jae-Hwan, Kim

× Jae-Hwan, Kim

WEKO 1025779

Jae-Hwan, Kim

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Jong-Min, Jung

× Jong-Min, Jung

WEKO 1025780

Jong-Min, Jung

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Shim, Hyunbo

× Shim, Hyunbo

WEKO 1025781

Shim, Hyunbo

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Kim, Jaehwan

× Kim, Jaehwan

WEKO 1025782

en Kim, Jaehwan

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抄録
内容記述タイプ Abstract
内容記述 The tensile properties and damping capacity of cold-rolled Fe–20Mn–12Cr–3Ni–3Si alloys were investigated. The martensitic transformation was identified, including surface relief with a specific orientation and partial intersection. Besides, as the cold rolling degree increased, the volume fraction of ε-martensite increased, whereas α’-martensite started to form at the cold rolling degree of 15% and slightly increased to 6% at the maximum cold rolling degree. This difference may be caused by high austenite stability by adding alloying elements (Mn and Ni). As the cold rolling degree increased, the tensile strength linearly increased, and the elongation decreased due to the fractional increment in the volume of martensite. However, the damping capacity increased until a 30% cold rolling degree was approached, and then decreased. The irregular tendency of the damping capacity was confirmed, depicting that it increased to a specific degree and then decreased as the tensile strength and elongation increased. Concerning the relationship between the tensile properties and the damping capacity, the damping capacity increased and culminated, and then decreased as the tensile properties and elongation increased. The damping capacity in the high-strength area tended to decrease because it is difficult to dissipate vibration energy into thermal energy in alloys with high strength. In the low-strength area, on the other hand, the damping capacity increased as the strength increased since the increased volume fraction of ε-martensite is attributed to the increase in the damping source.
書誌情報 Materials

巻 14, 号 20, p. 5975, 発行日 2021-10
出版者
出版者 MDPI
ISSN
収録物識別子タイプ ISSN
収録物識別子 1996-1944
DOI
識別子タイプ DOI
関連識別子 10.3390/ma14205975
関連サイト
識別子タイプ URI
関連識別子 https://www.mdpi.com/1996-1944/14/20/5975
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