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球状黒鉛鋳鉄の切欠き付CT試験片の破壊じん性
http://hdl.handle.net/2297/12459
http://hdl.handle.net/2297/12459d4a4fa55-eb95-4b17-a873-6fbf9c69ee59
名前 / ファイル | ライセンス | アクション |
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TE-PR-HIROSE-Y-1334.pdf (725.2 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 | 球状黒鉛鋳鉄の切欠き付CT試験片の破壊じん性 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Fracture Toughness of Blunt-Notched CT Specimens of Ductile 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 |
矢島, 善次郎
× 矢島, 善次郎× 広瀬, 幸雄× 田中, 啓介× 小河, 弘 |
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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 | |||||
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 32, 号 363, p. 1334-1339, 発行日 1983-12-15 |
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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 fracture toughness tests of ductile cast iron (JIS FCD 60) were conducted at room temperature by using compact tension specimens with blunt-notches. The method to determine the point of crack extension was established and the effect of notch-tip radius on the fracture toughness K_i was investigated. The main results obtained are summarized as follows: (1) The DC electrical potential method can be applied to detect the point of crack extension in blunt-notched CT specimens of ductile cast iron, which is almost identical to that determined by the R-curve method. Acoustic emissions became severe before the crack extension point was detected by the electrical potential method. (2) The relation between K_i and notch-tip radius ρ can be divided into three regions: region I where ρ is smaller than the radius of spheroidal graphite ρ_G(30μm), region II where ρ is above ρ_G and below 2mm, and region III where ρ is larger than 2mm. K_i was constant in regions I and III, while it increased linearly with √ρ in region II. The plastic strain ε_f on the fracture surface estimated by X-rays showed a similar trend in its variation with ρ. In region II, ε_f became larger with increasing (K_i)/√<ρσ_Y>. | |||||
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/110002300485/ |