AZ31Bマグネシウム合金圧延板の面内圧縮加工および熱処理による室温成形性の向上
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- Material Type
- 記事
- Author/Editor
- 大川 正洋森 茂樹日與川 輝季藤井 信之村上 智広髙﨑 明人
- Alternative Title
- Improvement of Room-Temperature Formability of Rolled AZ31B Magnesium Alloy Sheets by In-Plane Compression and Subsequent Heat Treatment
- Periodical title
- 塑性と加工 = Journal of the Japan Society for Technology of Plasticity : 日本塑性加工学会論文誌
- No. or year of volume/issue
- 60(706):2019.11
- Volume
- 60
- Issue
- 706
- Pages
- 315-320
- Publication date of volume/issue (W3CDTF)
- 2019-11
- ISSN (Periodical Title)
- 0038-1586
- ISSN-L (Periodical Title)
- 0038-1586
- Publication (Periodical Title)
- 東京 : 日本塑性加工学会 ; 1960-
- Place of Publication (Country Code)
- JP
- Text Language Code
- jpn
- NDLC
- Target Audience
- 一般
- Holding library
- 国立国会図書館
- Call No.
- Z17-218
- Data Provider (Database)
- 国立国会図書館 : 国立国会図書館雑誌記事索引
- Bibliographic ID (NDL)
- 030100080
- Bibliographic Record Category (NDL)
- 632
- Summary, etc.
- <p>To improve the formability of rolled AZ31B magnesium alloy sheets at room temperature, the in-plane direction was restricted by precompression along 0 (rolling direction: RD), 30, 45, 60, and 90° (transverse direction: TD) from the rolling direction of the alloy sheets whose strain levels relative to the transverse direction were either 0.055 or 0.11. To avoid buckling during bending, a special fixture with comb teeth for thin sheet compression has been developed. The strong orientation of the basal rolling texture of the sheet was weakened after in-plane compression, and coarser grains were observed. The stretch formability was also improved. The circumferential strain (<i>ε<sub>θ</sub> </i>) value was dramatically increased from 0.14 (as-received) to 0.30 (precompressed 11.0%) in Mg specimens. Recrystallization and grain growth occurred in grains with higher deformation energy compared with those having less energy after annealing at 250 °C. The intensity of in-plane anisotropy generated at the flange edge of the drawn product could be controlled to some extent by introducing precompressive strain.</p>
- DOI
- 10.9773/sosei.60.315
- Access Restrictions
- インターネット公開
- Data Provider (Database)
- 科学技術振興機構 : J-STAGE
- Summary, etc.
- <p>To improve the formability of rolled AZ31B magnesium alloy sheets at room temperature, the in-plane direction was restricted by precompression along 0 (rolling direction: RD), 30, 45, 60, and 90° (transverse direction: TD) from the rolling direction of the alloy sheets whose strain levels relative to the transverse direction were either 0.055 or 0.11. To avoid buckling during bending, a special fixture with comb teeth for thin sheet compression has been developed. The strong orientation of the basal rolling texture of the sheet was weakened after in-plane compression, and coarser grains were observed. The stretch formability was also improved. The circumferential strain (<i>ε<sub>θ</sub> </i>) value was dramatically increased from 0.14 (as-received) to 0.30 (precompressed 11.0%) in Mg specimens. Recrystallization and grain growth occurred in grains with higher deformation energy compared with those having less energy after annealing at 250 °C. The intensity of in-plane anisotropy generated at the flange edge of the drawn product could be controlled to some extent by introducing precompressive strain.</p>
- DOI
- 10.9773/sosei.60.315
- Related Material (URI)
- Is Referenced By
- 室温域におけるAZ31Bマグネシウム合金圧延板の絞り性に及ぼす二段面内圧縮ひずみの影響
- References
- Role of twinning on the stress and strain behaviors during reverse loading in rolled magnesium alloy sheetsImproved Stretch Formability of AZ31 Magnesium Thin Sheet by Induced {10–12} Tension TwinsEnhanced stretch formability of rolled Mg–3Al–1Zn alloy at room temperature by initial {10–12} twinsImproving the room-temperature formability of a magnesium alloy sheet by texture controlTailoring the texture of magnesium alloy by twinning deformation to improve the rolling capabilityThe different effects of solute segregation at twin boundaries on mechanical behaviors of twinning and detwinningEnhancing the effect of texture control using {10−12} twins by retarding detwinning activity in rolled Mg–3Al–1Zn alloyTexture analysis in hexagonal materialsThe influence of a secondary twin on the detwinning deformation of a primary twin in Mg–3Al–1Zn alloyTension–compression asymmetry of phosphor bronze for electronic parts and its effect on bending behavior
- Data Provider (Database)
- 国立情報学研究所 : CiNii Research
- Original Data Provider (Database)
- Japan Link Center雑誌記事索引データベースCrossrefCiNii ArticlesCrossref
- Bibliographic ID (NDL)
- 030100080
- NAID
- 130007750968