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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
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Multilayer(clad) sheets, composed of two or more materials with different properties, are fabricated using the roll-bonding process. A good formability is an essential property for a multilayered sheet in order to manufacture parts by plastic deformation. In this study, the influences of temperature and strain rate on the plastic properties of stainless steel-aluminummagnesium multilayered(STS-Al-Mg) sheets were investigated. Tensile tests were performed at various temperatures and strain rates on the multilayered sheet and on each separate layer. Fracture of the multilayered sheet was observed to be temperature-dependent. At the base temperature of 200°C, all materials fractured simultaneously. At lower temperatures, the Mg alloy sheet fractured earlier than the other materials. Conversely, the other materials fractured earlier than the Mg alloy sheet at higher temperatures. The uniform and total elongations of the multilayered sheet were observed to be higher than that of each material at a temperature of 250°C. Larger uniform elongations were obtained for higher strain rates at constant temperature. The same trend was observed for the Mg alloy sheet, which exhibited the lowest elongation among the three materials. The tensile strengths and elongations of the single layer sheets were compared to those of the multilayer material. The strength of the multilayered sheet was successfully calculated by the rule of mixture from the values of each single layer. However, no simple correlation between the elongation of each layer and that of the multilayer was obtained.
목차
Abstract
1. 서론
2. 실험
3. 결과 및 토의
4. 결론
참고문헌
참고문헌 (10)
참고문헌 신청
1. [학술지(정기간행물)] - H. Y. Ryu / 2001 / Improvement of square cup drawability of clad sheet metal by warm forming technique / Trans. Mater. Process 10 (3) : 253 ~ 260
2. [학술지(정기간행물)] - K. Iwanaga / 2004 / improvement of formability from room Temperature to warm temperature in AZ-31 magnesium alloy / J. of Mater. Process. Tech 155 : 1313 ~ 1316
3. [학술지(정기간행물)] - Fuh-Kuo Chen / 2003 / Deep drawing of square cups with magnesium alloy AZ31 sheet / Int. J. of Mach. Tools & Manuf 43 : 1553 ~ 1559
4. [학술지(정기간행물)] - J. E. Lee / 2007 / Effects of annealing on the mechanical and interface properties of stainless steel/aluminum/cupper clad-metal sheets / J. of Mater. Process. Tech 187 : 546 ~ 549
5. [학술지(정기간행물)] - H. D. Manesh / 2003 / Bond strength and formability of an aluminum-clad steel sheet / J. of Alloys and Compounds 361 : 138 ~ 143
2. [학술지(정기간행물)] - K. Iwanaga / 2004 / improvement of formability from room Temperature to warm temperature in AZ-31 magnesium alloy / J. of Mater. Process. Tech 155 : 1313 ~ 1316
3. [학술지(정기간행물)] - Fuh-Kuo Chen / 2003 / Deep drawing of square cups with magnesium alloy AZ31 sheet / Int. J. of Mach. Tools & Manuf 43 : 1553 ~ 1559
4. [학술지(정기간행물)] - J. E. Lee / 2007 / Effects of annealing on the mechanical and interface properties of stainless steel/aluminum/cupper clad-metal sheets / J. of Mater. Process. Tech 187 : 546 ~ 549
5. [학술지(정기간행물)] - H. D. Manesh / 2003 / Bond strength and formability of an aluminum-clad steel sheet / J. of Alloys and Compounds 361 : 138 ~ 143
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UCI(KEPA) : I410-ECN-0101-2014-551-000236236