KR20030027864A - 고정밀 크리프 손상의 평가방법 및 평가 장치 - Google Patents
고정밀 크리프 손상의 평가방법 및 평가 장치 Download PDFInfo
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- KR20030027864A KR20030027864A KR1020020059117A KR20020059117A KR20030027864A KR 20030027864 A KR20030027864 A KR 20030027864A KR 1020020059117 A KR1020020059117 A KR 1020020059117A KR 20020059117 A KR20020059117 A KR 20020059117A KR 20030027864 A KR20030027864 A KR 20030027864A
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- creep damage
- heat
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- 238000000034 method Methods 0.000 title claims description 26
- 239000013078 crystal Substances 0.000 claims abstract description 74
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 32
- 239000010959 steel Substances 0.000 claims abstract description 32
- 238000011156 evaluation Methods 0.000 claims abstract description 26
- 239000002245 particle Substances 0.000 claims description 63
- 238000012360 testing method Methods 0.000 claims description 26
- 229910000859 α-Fe Inorganic materials 0.000 claims description 10
- 229910000963 austenitic stainless steel Inorganic materials 0.000 claims description 8
- 229910000734 martensite Inorganic materials 0.000 claims description 8
- 229910001563 bainite Inorganic materials 0.000 claims description 6
- 238000010894 electron beam technology Methods 0.000 claims description 5
- 229910001562 pearlite Inorganic materials 0.000 claims description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims 1
- 230000001678 irradiating effect Effects 0.000 claims 1
- 235000019362 perlite Nutrition 0.000 claims 1
- 239000010451 perlite Substances 0.000 claims 1
- 229910052698 phosphorus Inorganic materials 0.000 claims 1
- 239000011574 phosphorus Substances 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 22
- 238000010586 diagram Methods 0.000 abstract description 9
- 229910001566 austenite Inorganic materials 0.000 description 12
- 238000004458 analytical method Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 238000010998 test method Methods 0.000 description 4
- 239000010953 base metal Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 238000007542 hardness measurement Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 230000005465 channeling Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000010616 electrical installation Methods 0.000 description 1
- 238000001887 electron backscatter diffraction Methods 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/22—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
- G01N23/225—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material using electron or ion
- G01N23/2251—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material using electron or ion using incident electron beams, e.g. scanning electron microscopy [SEM]
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/006—Investigating resistance of materials to the weather, to corrosion, or to light of metals
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Ecology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Environmental & Geological Engineering (AREA)
- Environmental Sciences (AREA)
- Dispersion Chemistry (AREA)
- Investigating And Analyzing Materials By Characteristic Methods (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
Description
Claims (7)
- 고온 노출 기기에 사용되는 고강도 내열강의 모재부 또는 용접열-영향부의 크리프(creep) 손상을 고정밀도로 평가하는 방법으로서,평가 부위 또는 서브결정 입자에서 결정 방위차가 약 2° 이상인 결정입자의 크리프 손상 경과에 따른 입경 거동을, 상기 입경과 크리프 손상도(손상률 포함)와의 관계를 찾아내어 미리 제작한 기준선 또는 기준 맵(map)과 비교하는 것을 포함하는, 고정밀 크리프 손상의 평가방법.
- 고온 기기에 사용되는 것으로, 페라이트 및 펄라이트의 2상 조직을 갖는 페라이트강 및 오스테나이트계 스테인레스 강의 모재부(母材部); 템퍼링된 마텐자이트 조직 또는 템퍼링된 베이나이트 조직을 기본으로 하는 페라이트 내열강의 용접열-영향부로서 세립 영역을 갖는 용접열-영향부; 또는 조립 영역을 갖는 오스테나이트계 스테인레스 강의 용접열-영향부의 크리프 손상을 평가하는 방법으로서,상기 평가 부위에서 결정 방위차가 약 2° 이상인 결정입자의 크리프 손상 경과에 따라 변하는 입경 거동을, 상기 입경과 크리프 손상도와의 관계를 찾아내어 미리 제작한 기준선 또는 기준 맵과 비교하는 것을 포함하는, 고정밀도 크리프 손상의 평가방법.
- 페라이트계 강의 모재부의 조립 영역; 템퍼링된(tempered) 마텐자이트 조직 또는템퍼링된 베이나이트 조직을 갖는 페라이트계 내열강의 용접열-영향부의 조립 영역; 또는 페라이트 및 펄라이트의 2상 조직을 갖는 페라이트강의 용접열-영향부의 조립 영역의 크리프 손상을 고정밀도로 평가하는 방법으로서,상기 평가 부위에서 결정 방위차가 약 2° 이상인 결정 입자의 크리프 손상 경과에 따라 변하는 입경 변화, 바람직하게는 평균 입경 거동을, 상기 입경과 크리프 손상도와의 관계를 찾아내어 미리 제작한 기준선 또는 기준 맵과 비교하는 것을 포함하는, 크리프 손상을 평가하는 고도로 정밀한 방법.
- 제 1 항에 있어서,기준 맵이 실질적으로 소정 응력마다 제작된 결정입자 또는 서브결정입자의 입경과 크리프 손상도의 기준선의 세트이며, 평가 부위에서 부하 응력에 따라 기준 맵의 기준선으로부터 곡선을 선택하거나 2개의 곡선을 보간 계산하여 곡선을 제작하고, 상기 제작된 곡선에 의해 평가 부위의 크리프 손상도를 평가하는 것을 포함하는, 고정밀 크리프 손상의 평가방법.
- 고강도 내열강의 평가 부위에서의 시험편에 대해 결정 방위차가 약 2° 이상인 결정입자 또는 서브입자의 크리프 손상 진행에 따른 입경 변화 거동을 측정하는 측정수단; 및 각각의 부하 응력에서 크리프 손상도(크리프 손상률 포함)에 따른 입경의 관계를 찾아내어 미리 제작한 기준선 또는 기준 맵을 포함하며,부하된 응력에 대해 선택된 기준선 또는 기준 맵과, 측정수단으로 측정한 크리프손상 진행에 따른 입경 변화 거동을 비교함으로써 크리프 손상도를 평가하는, 고온 노출 기기에 사용된 고강도 내열강의 크리프 손상을 고정밀도로 평가하기 위한 장치.
- 제 5 항에 있어서,측정수단이 상기 시험편을 예정된 각도로 전자선으로 조사하고, 전자선 조사에 의해 상기 시험편으로부터 나타난 TEM/키쿠치(TEM/kikuchi) 패턴을, 표면이 인산 코팅한 표면을 갖는 TV 카메라로써 관찰/분석을 하는 장치인, 장치.
- 제 5 항에 있어서,맵이 바람직하게는 크리프 손상률과 평균 입경의 관계를 나타내는 기준선을 소정 응력마다 복수개 작성하여, 상기 기준선을 응력에 따라 복수개 겹쳐놓은 3차원 맵인, 장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2001-00300988 | 2001-09-28 | ||
JP2001300988A JP3643806B2 (ja) | 2001-09-28 | 2001-09-28 | 高精度クリープ損傷評価方法 |
Publications (2)
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KR20030027864A true KR20030027864A (ko) | 2003-04-07 |
KR100910424B1 KR100910424B1 (ko) | 2009-08-04 |
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KR1020020059117A KR100910424B1 (ko) | 2001-09-28 | 2002-09-28 | 고정밀 크리프 손상 평가 방법 및 평가 장치 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6935552B2 (ko) |
EP (1) | EP1298431A3 (ko) |
JP (1) | JP3643806B2 (ko) |
KR (1) | KR100910424B1 (ko) |
CN (1) | CN100526848C (ko) |
CA (1) | CA2405387C (ko) |
Families Citing this family (23)
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WO2002014835A1 (fr) * | 2000-08-16 | 2002-02-21 | The Chugoku Electric Power Co., Inc. | Procédé d'évaluation de la limite de fluage |
JP3643806B2 (ja) * | 2001-09-28 | 2005-04-27 | 三菱重工業株式会社 | 高精度クリープ損傷評価方法 |
NL1023383C2 (nl) * | 2003-05-09 | 2004-11-15 | Rexnord Flattop Europe Bv | Kettingpen voor scharnierbandkettingen. |
JP4797509B2 (ja) * | 2005-08-22 | 2011-10-19 | 株式会社Ihi | 破壊原因推定装置及び破壊原因推定方法 |
JP2007248390A (ja) * | 2006-03-17 | 2007-09-27 | Ihi Corp | 破壊寿命評価装置 |
JP5282519B2 (ja) * | 2008-10-10 | 2013-09-04 | 新日鐵住金株式会社 | 結晶粒解析装置、結晶粒解析方法、及びコンピュータプログラム |
JP4750868B2 (ja) * | 2009-03-19 | 2011-08-17 | 株式会社日立製作所 | 高温下で使用されるボルトの余寿命診断方法 |
FR2958037A1 (fr) * | 2010-03-26 | 2011-09-30 | Sc2N Sa | Capteur de temperature |
CA2902300C (en) * | 2013-01-25 | 2019-04-30 | The Chugoku Electric Power Co., Inc. | Distance measuring system and distance measuring method |
CN105910921B (zh) * | 2016-04-11 | 2018-08-10 | 沈阳工业大学 | 一种预测dz125合金蠕变曲线的方法 |
JP6913525B2 (ja) * | 2017-06-15 | 2021-08-04 | 株式会社日立パワーソリューションズ | クリープ損傷評価方法 |
JP6808198B2 (ja) * | 2018-02-14 | 2021-01-06 | 三菱重工業株式会社 | 損傷状態判定装置、損傷状態判定方法、プログラム |
CN108857132B (zh) * | 2018-07-24 | 2021-04-20 | 哈尔滨工业大学(深圳) | 一种评估无铅焊点可靠性方法 |
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CN110907475A (zh) * | 2019-10-17 | 2020-03-24 | 上海发电设备成套设计研究院有限责任公司 | 一种马氏体耐热钢的剩余寿命评估方法 |
CN110806357A (zh) * | 2019-11-13 | 2020-02-18 | 中国石油大学(华东) | 一种基于低温破断断口评估高温蠕变损伤的方法 |
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CN111879226B (zh) * | 2020-08-03 | 2022-04-05 | 华东理工大学 | 一种基于现场金相及辊面变形量的炉辊寿命评估方法 |
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2001
- 2001-09-28 JP JP2001300988A patent/JP3643806B2/ja not_active Expired - Fee Related
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2002
- 2002-09-26 CA CA2405387A patent/CA2405387C/en not_active Expired - Lifetime
- 2002-09-27 US US10/256,137 patent/US6935552B2/en not_active Expired - Lifetime
- 2002-09-28 CN CNB021482071A patent/CN100526848C/zh not_active Expired - Fee Related
- 2002-09-28 KR KR1020020059117A patent/KR100910424B1/ko active IP Right Grant
- 2002-09-30 EP EP02021873A patent/EP1298431A3/en not_active Ceased
Also Published As
Publication number | Publication date |
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JP3643806B2 (ja) | 2005-04-27 |
KR100910424B1 (ko) | 2009-08-04 |
CA2405387C (en) | 2010-04-20 |
US20030062397A1 (en) | 2003-04-03 |
EP1298431A3 (en) | 2004-02-18 |
CN1409099A (zh) | 2003-04-09 |
CN100526848C (zh) | 2009-08-12 |
JP2003107019A (ja) | 2003-04-09 |
US6935552B2 (en) | 2005-08-30 |
CA2405387A1 (en) | 2003-03-28 |
EP1298431A2 (en) | 2003-04-02 |
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