SUS 304강의 하중파형에 따른 고온피로균열전파속도 및 전체하중파형의 평가방법의 연구
The effect of loading waveform on elevated temperature low-cycle fatigue crack growth behavior in a SUS 304 stainless steel have been investigated under symmetrical trangular (fast-fast), trapezoidal and asymmetrical(fast-slow, slow-fast) waveforms at 650.deg. C. It was found that the crack growth r...
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| Veröffentlicht in: | Han-guk haeyang gonghak hoeji (Online) 1992, Vol.6 (1), p.122-130 |
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| container_title | Han-guk haeyang gonghak hoeji (Online) |
| container_volume | 6 |
| creator | 이상록(Sang-Rok Lee) 이학주(Hak-Joo Lee) 오세욱(Sae-Wook Oh) 허정원(Chung-Weon Hue) 임만배(Man-Bea Lim) |
| description | The effect of loading waveform on elevated temperature low-cycle fatigue crack growth behavior in a SUS 304 stainless steel have been investigated under symmetrical trangular (fast-fast), trapezoidal and asymmetrical(fast-slow, slow-fast) waveforms at 650.deg. C. It was found that the crack growth rate in fast-slow loading waveform appeared to be higher a little and the crack growth rate in slow-fast loading waveform much higer than that in fast-fast loading waveform, and difference in crack growth rate between fast-show and slow-fast waveforms nearly didn't appear in the region of da/dN>10/sup -2/ The crack growth rate in the trapezoidal loading waveform with t/sub h/=500sec appeared to be faster than that in slow(500sec)-fast(1sec). In addition, parameter modified J-integral could be considered as useful parameter for fatigue crack growth rate in all waveforms. The result obtained are as follow. da/dN=4.91*10/sup -3/ (.DELTA. J/sub c/)/sup 0.565/. |
| format | Article |
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C. It was found that the crack growth rate in fast-slow loading waveform appeared to be higher a little and the crack growth rate in slow-fast loading waveform much higer than that in fast-fast loading waveform, and difference in crack growth rate between fast-show and slow-fast waveforms nearly didn't appear in the region of da/dN>10/sup -2/ The crack growth rate in the trapezoidal loading waveform with t/sub h/=500sec appeared to be faster than that in slow(500sec)-fast(1sec). In addition, parameter modified J-integral could be considered as useful parameter for fatigue crack growth rate in all waveforms. The result obtained are as follow. da/dN=4.91*10/sup -3/ (.DELTA. J/sub c/)/sup 0.565/.</description><identifier>ISSN: 1225-0767</identifier><identifier>EISSN: 2287-6715</identifier><language>kor</language><publisher>한국해양공학회</publisher><ispartof>Han-guk haeyang gonghak hoeji (Online), 1992, Vol.6 (1), p.122-130</ispartof><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,315,781,785,886,4025</link.rule.ids></links><search><creatorcontrib>이상록(Sang-Rok Lee)</creatorcontrib><creatorcontrib>이학주(Hak-Joo Lee)</creatorcontrib><creatorcontrib>오세욱(Sae-Wook Oh)</creatorcontrib><creatorcontrib>허정원(Chung-Weon Hue)</creatorcontrib><creatorcontrib>임만배(Man-Bea Lim)</creatorcontrib><title>SUS 304강의 하중파형에 따른 고온피로균열전파속도 및 전체하중파형의 평가방법의 연구</title><title>Han-guk haeyang gonghak hoeji (Online)</title><addtitle>Journal of ocean engineering and technology</addtitle><description>The effect of loading waveform on elevated temperature low-cycle fatigue crack growth behavior in a SUS 304 stainless steel have been investigated under symmetrical trangular (fast-fast), trapezoidal and asymmetrical(fast-slow, slow-fast) waveforms at 650.deg. C. It was found that the crack growth rate in fast-slow loading waveform appeared to be higher a little and the crack growth rate in slow-fast loading waveform much higer than that in fast-fast loading waveform, and difference in crack growth rate between fast-show and slow-fast waveforms nearly didn't appear in the region of da/dN>10/sup -2/ The crack growth rate in the trapezoidal loading waveform with t/sub h/=500sec appeared to be faster than that in slow(500sec)-fast(1sec). In addition, parameter modified J-integral could be considered as useful parameter for fatigue crack growth rate in all waveforms. The result obtained are as follow. da/dN=4.91*10/sup -3/ (.DELTA. 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C. It was found that the crack growth rate in fast-slow loading waveform appeared to be higher a little and the crack growth rate in slow-fast loading waveform much higer than that in fast-fast loading waveform, and difference in crack growth rate between fast-show and slow-fast waveforms nearly didn't appear in the region of da/dN>10/sup -2/ The crack growth rate in the trapezoidal loading waveform with t/sub h/=500sec appeared to be faster than that in slow(500sec)-fast(1sec). In addition, parameter modified J-integral could be considered as useful parameter for fatigue crack growth rate in all waveforms. The result obtained are as follow. da/dN=4.91*10/sup -3/ (.DELTA. J/sub c/)/sup 0.565/.</abstract><pub>한국해양공학회</pub><tpages>9</tpages><oa>free_for_read</oa></addata></record> |
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| identifier | ISSN: 1225-0767 |
| ispartof | Han-guk haeyang gonghak hoeji (Online), 1992, Vol.6 (1), p.122-130 |
| issn | 1225-0767 2287-6715 |
| language | kor |
| recordid | cdi_kisti_ndsl_JAKO199211920577694 |
| source | Alma/SFX Local Collection |
| title | SUS 304강의 하중파형에 따른 고온피로균열전파속도 및 전체하중파형의 평가방법의 연구 |
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