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球状黒鉛鋳鉄の疲労き裂伝ぱ特性に及ぼす微視組織の影響
http://hdl.handle.net/2297/12315
http://hdl.handle.net/2297/12315f647fbda-2394-452d-9ceb-388142c6d68b
名前 / ファイル | ライセンス | アクション |
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TE-PR-HIROSE-Y-943.pdf (707.5 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-10-03 | |||||
タイトル | ||||||
タイトル | 球状黒鉛鋳鉄の疲労き裂伝ぱ特性に及ぼす微視組織の影響 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Effect of Microstructure on Fatigue Crack Growth Resistance of Spheroidal Graphite Cast Iron | |||||
言語 | ||||||
言語 | jpn | |||||
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 | |||||
著者 |
舟木, 克之
× 舟木, 克之× 高橋, 利夫× 広瀬, 幸雄 |
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提供者所属 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 金沢大学大学院自然科学研究科 | |||||
書誌情報 |
材料=Journal of the Society of Materials Science, Japan 巻 50, 号 9, p. 943-948, 発行日 2001-09-15 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0514-5163 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00096175 | |||||
出版者 | ||||||
出版者 | 日本材料学会 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The fatigue crack growth tests near the stage I region were carried out on three spheroidal graphite cast irons (SGI) with matrix of ferrite, bull's-eye and mainly pearlite, having tensile strength of 380,500 and 700 MPa, respectively. The crack growth rate da/dN of the ferrite matrix SGI decreased continuously with a decrease in stress intensity factor range ΔK. On the other hand, the bulls-eye and pearlite matrix SGI showed discontinuous ranges on the da/dN vs. ΔK diagrams. The results were compared with local ΔK calculated at the crack tip by fracture mechanics. The ΔK at the lower end of the discontinuous range agreed well with the value calculated on the assumption that a single graphite particle is included in the tension-compression region at the crack tip. The ΔK at the higher end agreed well with the calculated value for including no graphite particles in this region. In the ferrite matrix SGI, however, the calculated value was smaller than ΔK_th ; the cyclic stress region is presumed to include plural graphite particles. The fatigue fracture mechanism of SGI is believed to be significantly affected by the interaction of graphite particle spacing, the size of plastic region at the crack tip, and the stress concentration around the graphite particle. | |||||
権利 | ||||||
権利情報 | 日本材料学会;本文データは日本材料学会の許諾に基づきCiNiiから複製したものである | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://ci.nii.ac.jp/naid/110002292667/ |