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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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For the purpose of improving crashworthiness qualities and maximizing weight saving efficiency, TWB’s(tailor welded blanks) of quench-hardenable boron steel sheet formed by hot stamping processes has been used for automotive BIW (body in white) applications. In this work, the flow behaviors of TWB of quench-hardenable boron steel sheet were investigated in uniaxial tension tests at elevated temperature. TWB’s having a uniform thickness of 1.4mm were fabricated by laser welding. Specimens with two weld line directions were used to test the mechanical property and reliability of the weld zone. After heating at 950℃ for 5min, the specimens were subjected to tension test at 650, 700 and 800℃ with a strain rate of 0.01 /s and at 700℃ with strain rates of 0.01, 0.1 and 1/s. The ultimate strength of the weld zones was higher than that of the base materials at 650 and 700℃, but was similar to the base metal at 800℃. Fracture occurred at the base material at 650 and 700℃ but at the weld zone at 800℃.
목차
Abstract
1. 서론
2. 실험방법
3. 결과 및 고찰
4. 결론
참고문헌
참고문헌 (10)
참고문헌 신청
1. [학술지(정기간행물)] - H. Karbasian / 2010 / A Review on Hot Stamping / J. Mater. Process. Technol 210 : 2103 ~ 2118
2. [학술지(정기간행물)] - 최홍석 / 2010 / The Optimization of Hot Press Bending for Improving Dimensional Accuracy and Mechanical Strength of Bent Product / Metals and Materials International 16 (6) : 1001 ~ 1007
4. [인터넷자원] - / / Information on
5. [학술지(정기간행물)] - K. Mori / 2010 / Tailor Die Quenching in Hot Stamping for Producing Ultra-High Strenght Steel Formed Parts Having Strength Distribution / CIRP Annuals-Manuf. Technol 59 : 291 ~ 294
6. [학술지(정기간행물)] - D. W. Fan / 2010 / Coating Degradation in Hot Press Forming / ISIJ INTERNATIONAL 50 (4) : 561 ~ 568
2. [학술지(정기간행물)] - 최홍석 / 2010 / The Optimization of Hot Press Bending for Improving Dimensional Accuracy and Mechanical Strength of Bent Product / Metals and Materials International 16 (6) : 1001 ~ 1007
4. [인터넷자원] - / / Information on
5. [학술지(정기간행물)] - K. Mori / 2010 / Tailor Die Quenching in Hot Stamping for Producing Ultra-High Strenght Steel Formed Parts Having Strength Distribution / CIRP Annuals-Manuf. Technol 59 : 291 ~ 294
6. [학술지(정기간행물)] - D. W. Fan / 2010 / Coating Degradation in Hot Press Forming / ISIJ INTERNATIONAL 50 (4) : 561 ~ 568
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UCI(KEPA) : I410-ECN-0101-2014-551-000252229