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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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The present work dealt with the high temperature thermal shock properties of 316 stainless steels, in conjunction with a detailed analysis of their microstructures. In particular, the effects of the thermal shock temperature difference and thermal shock cycle number on the properties of 316 stainless steels were investigated. A thermal shock test for 316 stainless steel was carried out at thermal shock temperature differences from 300℃ to 1000℃. The cyclic thermal shock test for the 316 stainless steel was performed at a thermal shock temperature difference of 700℃ up to 100 cycles. The characterization of 316 stainless steels was evaluated using an optical microscope and a three point bending test. Both the microstructure and flexural strength of 316 stainless steels were affected by the high-temperature thermal shock. The flexural strength of 316 stainless steels gradually increased with an increase in the thermal shock temperature difference, accompanied by a growth in the grain size of the microstructure. However, a thermal shock temperature difference of 800℃ produced a decrease in the flexural strength of the 316 stainless steel because of damage to the material surface. The properties of 316 stainless steels greatly depended on the thermal shock cycle number. In other words, the flexural strength of 316 stainless steels decreased with an increase in the thermal shock cycle number, accompanied by a linear growth in the grain size of the microstructure. In particular, the 316 stainless steel had a flexural strength of about 500 MPa at 100 thermal-shock cycles, which corresponded to about 80% of the strength of the as-received materials.
목차
ABSTRACT
1. 서론
2. 실험방법
3. 실험결과 및 고찰
4. 결론
References
참고문헌 (14)
참고문헌 신청
1. [학술지(정기간행물)] - Arjomandi, K. / 2011 / Stability and Post-buckling Response of Sandwich Pipes under Hydrostatic External Pressure / International Journal of Pressure Vessels and Piping 88 (4) : 138 ~ 148
2. [학술지(정기간행물)] - Au, M. / 2007 / High Temperature Electrochemical Charging of Hydrogen and Its Application in Hydrogen embrittlement research / Materials Science and Engineering A 454-455 : 564 ~ 569
3. [학술지(정기간행물)] - Brass, A. M. / 2006 / Hydrogen Uptake in 316L Stainless Steel : Consequences on the Tensile Properties / Corrosion Science 48 : 3222 ~ 3242
4. [학술지(정기간행물)] - Eschbach, L. / 1998 / Effect of Recrystallization and Grain Size on the Mechanical Properties of Spray Formed AlCuMgAg-alloys / Materials Science and Engineering A 248 : 1 ~ 8
5. [학술지(정기간행물)] - Hur, K. D. / 2012 / Stability of Elastically Restrained Valve-Pipe System with Crack / International Journal of Modern Physics : Conference Series 6 : 373 ~ 378
2. [학술지(정기간행물)] - Au, M. / 2007 / High Temperature Electrochemical Charging of Hydrogen and Its Application in Hydrogen embrittlement research / Materials Science and Engineering A 454-455 : 564 ~ 569
3. [학술지(정기간행물)] - Brass, A. M. / 2006 / Hydrogen Uptake in 316L Stainless Steel : Consequences on the Tensile Properties / Corrosion Science 48 : 3222 ~ 3242
4. [학술지(정기간행물)] - Eschbach, L. / 1998 / Effect of Recrystallization and Grain Size on the Mechanical Properties of Spray Formed AlCuMgAg-alloys / Materials Science and Engineering A 248 : 1 ~ 8
5. [학술지(정기간행물)] - Hur, K. D. / 2012 / Stability of Elastically Restrained Valve-Pipe System with Crack / International Journal of Modern Physics : Conference Series 6 : 373 ~ 378
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UCI(KEPA) : I410-ECN-0101-2014-550-002762874