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The effect of metallurgical parameter on the fracture toughness value was examined. The main results are as follows ; (1) The fracture toughness values of the extruded Al-8 wt.%Zn-1~2.5 wt.%Mg-1.2 wt.%Cu-4 wt.%La, which were about 20 MPa√\u003cm\u003e without anisotropy, were not influenced by Mg content. (2) The second phase particles in the extruded alloys, which consisted of Zn and La, were estimated quantitatively. The mean diameter was about 4.7 μm and the volume fraction of the particles was 1.6~2.3 vol.%. (3) The second phase particles consisting of Zn and La in the extruded alloys cracked easily, and became the nucleus of voids when the matrix fractured. The fracture toughness of the extruded alloys was affected by the particles. 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耐応力腐食割れ性に優れた高力Al-Zn-Mg-Cu-La系押出合金の破壊じん性と第二相粒子の関係
http://hdl.handle.net/2297/12329
http://hdl.handle.net/2297/1232995865ebd-ce36-46ca-bbd4-9375d73e66f4
名前 / ファイル | ライセンス | アクション |
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TE-PR-HIROSE-Y-1571.pdf (1.2 MB)
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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 | 耐応力腐食割れ性に優れた高力Al-Zn-Mg-Cu-La系押出合金の破壊じん性と第二相粒子の関係 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Relationship between Fracture Toughness and Second Phase Particles in Extruded High Strength Al-Zn-Mg-Cu-La System Alloys with High Stress Corrosion Cracking Resistance | |||||
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 |
岸, 陽一
× 岸, 陽一× 広瀬, 幸雄× 佃, 市三× 永井, 滋一× 東, 健司 |
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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 43, 号 495, p. 1571-1577, 発行日 1994-12-15 |
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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 | Extruded Al-8 wt.%Zn-1~2.5 wt.%Mg-1.2 wt.%Cu-4 wt.%La alloys with high tensile strength and good stress corrosion cracking resistance were developed and their fracture toughness was investigated. The effect of metallurgical parameter on the fracture toughness value was examined. The main results are as follows ; (1) The fracture toughness values of the extruded Al-8 wt.%Zn-1~2.5 wt.%Mg-1.2 wt.%Cu-4 wt.%La, which were about 20 MPa√<m> without anisotropy, were not influenced by Mg content. (2) The second phase particles in the extruded alloys, which consisted of Zn and La, were estimated quantitatively. The mean diameter was about 4.7 μm and the volume fraction of the particles was 1.6~2.3 vol.%. (3) The second phase particles consisting of Zn and La in the extruded alloys cracked easily, and became the nucleus of voids when the matrix fractured. The fracture toughness of the extruded alloys was affected by the particles. The fracture toughness value, K_<IC>was related to the volume fraction of the second phase particles, f_V, and the mean diameter of the particles, D, as follows: K_<IC>┤[ζσ_<0.2>E(π/6)^<1/3>D]^<1/2>・f^<-1/6>_V∝(DEσ_<0.2>)^<1/2>・f^<-1/6>_V where ζ is constant, σ_<0.2> is 0.2% proof stress and E is Young's modulus. | |||||
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/110002294340/ |