[보고서]고집적 열교환기 적용을 위한 Alloy 617 합금의 확산접합 성능 검증

사인진

보고서 정보

주관연구기관

한국원자력연구원
Korea Atomic Energy Research Institute

연구책임자

사인진

참여연구자

김우곤 , 김용완 , 김응선 , 김연구 , 지세환 , 황종배 , Richard N. Wright

보고서유형

최종보고서

발행국가

대한민국

언어

한국어

발행년월

2019-11

과제시작연도

2018

주관부처

과학기술정보통신부
Ministry of Science and ICT

연구관리전문기관

한국연구재단
National Research Foundation of Korea

등록번호

TRKO202000003675

과제고유번호

1711077977

사업명

원자력기술개발사업(R&D)

DB 구축일자

2020-07-29

키워드

초고온가스로.합금 617.인쇄기판형열교환기.미국기계학회 코드 규격.수명 평가 모델.VHTR.Alloy 617.PCHE.ASME Code Requirement.Modeling Life Estimation.

표 Chemical compositions of Alloy 617 (UNS N06617) (wt.%)
표 Diffusion bonding parameters
표 Charpy absorbed impact energy [J]
표 SEM micrographs of diffusion weldment near the interface: (a) DFW-617A, (b) DFW-617B, and (c) DFW-617C
표 Stress-strain curves of as-received and diffusion weldment. Tensile testing was performed at: (a) RT, (b) 500, (c) 700, (d) 800, and (e) 900 ℃
표 Stress-strain curves of as-received and diffusion weldment showing the effect of PBHT: (a) DFW-617A and (b) DFW-617B
표 Charpy V-notch specimens after impact tests at room temperature: (a) DFW-617A, (b) DFW-617A-16H, (c) DFW-617B, and (d) DFW-617B-2H
표 Change of tensile property (arbitrary unit) and impact property depending on PBHT time. PBHT was carried out at 1170 ℃
표 Cross-sectional SEM images for (a) DB617-D and (b) DB617-E
표 TEM micrograph and EDS mapping result for DB617-D
표 Cross-sectional SEM micrographs of pre-oxidized Alloy 617. Pre-oxidized for 200 hours at (a) 850 and (b) 930 ℃
표 EPMA analysis results of pre-oxidized Alloy 617 near the surface. Pre-oxidation was performed at (a) 850 and (b) 930 ℃
표 Location of extracted specimens from BP8K for mechanical testing (top view). BP8K was prepared in accordance with QW-185.1 requirement
표 Stress-strain curves of BP8K. Tensile testing was peformed at room temperature following QW-185.2 requirement
$Tensile specimens after fracture: (a) BP8K-A, (b) BP8K-B, (c) BP8K-C, and (d) BP8K-D$ 표 Tensile specimens after fracture: (a) BP8K-A, (b) BP8K-B, (c) BP8K-C, and (d) BP8K-D
표 Cross-sectional optical micrographs of diffusion weldment. Specimens are mechanically polished. Magnification of ×50 (left) and ×100 (right): (a) top, (b) center, and (c) bottom
표 Cross-sectional optical micrographs of diffusion weldment. Specimens are chemically etched after mechanical polishing. Magnification of ×50 (left) and ×100 (right): (a) top, (b) center, and (c) bottom
표 Mechanical properties of diffusion weldment (BP8K) depending on the tensile loading direction. Angles between the plane vector (interface) and loading direction are: (a) 0°, (b) 30°, (c) 45°, (d) 60°, and (e) 90°
$Tensile specimens after fracture. Angles between the plane vector (interface) and loading direction are: (a) 0°, (b) 30°, (c) 45°, (d) 60°, and (e) 90°$ 표 Tensile specimens after fracture. Angles between the plane vector (interface) and loading direction are: (a) 0°, (b) 30°, (c) 45°, (d) 60°, and (e) 90°
표 Comparison of yield strength, tensile strength and tensile elongation of BP8K depending on the tensile loading direction
표 Stress-strain curves at high temperatures (up to 950 ℃) for (a) as-received and (b) diffusion weldment (BP8K). Strain rate is fixed at 5.55×10-4 /s
표 Best-fit curves for the minimum yield strength and average tensile strength for diffusion weldment at a fixed strain rate
표 Tensile results of diffusion weldment at various strain rates: (a) yield strengths and (b) tensile strengths
표 Strain-time to rupture curves for diffusion weldment (BP8K): (a) 900 and (b) 950 ℃
표 Norton power law creep constants (A’, n) from experimental test results of the as-received and diffusion weldment
표 Monkman-Grant constants for as-received and diffusion weldment (BP8K)
표 Suggestion of reduction factor of diffusion weldment compared to Sec. II Part D and draft Code Case: (a) yield strength and (b) tensile strength
표 A typical creep strain curve of as-received and diffusion weldment (BP8K) at 900 ℃
표 A typical creep strain curve of as-received and diffusion weldment (BP8K) at 950 ℃
표 Time to rupture time of as-received and diffusion weldment (BP8K) at 900 ℃
표 Steady state creep rate of as-received and diffusion weldment (BP8K) at 900 ℃
표 Creep-rupture elongation of as-received and diffusion weldment (BP8K) at 900 ℃
표 Time to rupture time of as-received and diffusion weldment (BP8K) at 950 ℃
표 Steady state creep rate of as-received and diffusion weldment (BP8K) at 950 ℃
표 Creep-rupture elongation of as-received and diffusion weldment (BP8K) at 950 ℃
표 Comparison of λ for each as-received and diffusion weldment (BP8K)
표 Average λ for both as-received and diffusion weldment (BP8K)
표 Comparison of M-G relationship at 900 ℃
표 Comparison of M-G relationship at 950 ℃
표 Comparison of M-G relationship at both 900 and 950 ℃
표 Calculated stresses for the base and diffusion-welded metal to cause rupture for a given time and temperature. The stress for the base metal is determined from a regression analysis of a compilation of 296 Alloy 617 creep specimens from a variety of sources. The SRFs calculated from these stresses are shown
표 Calculated stresses for the base and diffusion-welded metal to cause rupture for a given time and temperature. The stress for the base metal is determined from a regression analysis of 38 specimens from a single Alloy 617 heat. The SRFs calculated from these stresses are shown
표 The calculated activation energies for the diffusion-welded and base metal
표 Stress-strain curves of room-temperature tensile tests of the as-received base metal and diffusion weldment BP8I perpendicular to the interface planes
표 Optical-microscopy image of the as-received BP8I from the center of the plate at the plate middle taken at a magnification of 100× after polishing. Arrows mark diffusion-weld interfaces
표 Optical-microscopy images of the as-received BP8I from the (a) top and (b) center of the plate at a magnification of 100× after etching. The specimens are from the edge of the plate. Arrows mark diffusion-weld interfaces
표 IPF map from EBSD data of the as-received BP8I at the center of the plate at the plate middle. The map is with respect to the plate thickness. Arrows mark diffusion-weld interfaces
표 Engineering strain-time creep curves at 850 ℃ for the following: (1) as-received base metal, (2) GTAW fusion weldment, and (3) diffusion-weldment BP8I perpendicular to the interface planes
표 Optical-microscopy image of an 850 ℃ creep-rupture specimen with an applied stress of 67.9 MPa from the middle of the plate. There is significant cavitation damage at the diffusion-weld interfaces
표 Optical-microscopy images of 850 ℃ creep-rupture specimens with an applied stress of 67.9 MPa from the (a) edge and (b) middle of the plate
표 Peak stress-cycle curves for 850 ℃ (a) fatigue and (b) creep-fatigue tests for the as-received base metal and diffusion weldment BP8I perpendicular to the interface planes
표 Peak stress-cycle curves for 950 ℃ (a) fatigue and (b) creep-fatigue tests for the following : (1) as-received base metal, (2) GTAW fusion weldment, and (3) diffusion weldment BP8I perpendicular to the interface planes
표 Stress-strain curves from 850 ℃ fatigue tests at cycle (a) 10 and (b) midlife for the as-received base metal and diffusion weldment BP8I perpendicular to the interface planes
표 Stress-strain curves from 850 ℃ creep-fatigue tests at cycle (a) 10 and (b) midlife for the as-received base metal and diffusion weldment BP8I perpendicular to the interface planes
표 Stress-strain curves from 950 ℃ fatigue tests at cycle (a) 10 and (b) midlife for the following: (1) as-received base metal (2) GTAW fusion weldment, and (3) diffusion weldment BP8I perpendicular to the interface planes
표 Stress-strain curves from 950 ℃ creep-fatigue tests at cycle (a) 10 and (b) midlife for the following: (1) as-received base metal (2) GTAW fusion weldment, and (3) diffusion weldment BP8I perpendicular to the interface planes
표 Stress relaxation curves from 850 ℃ creep-fatigue tests at cycle (a) 10 and (b) midlife for the as-received base metal and diffusion weldment BP8I perpendicular to the interface planes
표 Stress relaxation curves from 950 ℃ creep-fatigue tests at cycle (a) 10 and (b) midlife for the following: (1) as-received base metal (2) GTAW fusion weldment, and (3) diffusion weldment BP8I perpendicular to the interface planes
표 Optical-microscopy images of the diffusion welded specimens after 950 ℃fatigue testing from the (a) edge (b) middle of the diffusion-welded plate. The major and minor cracks are shown on the left and right, respectively
표 Optical-microscopy images of the diffusion-welded specimens after 850 ℃ fatigue testing from the (a) edge (b) middle of the diffusion-welded plate. The non homogeneous microstructure of the plate is shown
표 Steady-state creep rate versus the initial applied stress. The stress exponent, n, is indicated for each temperature and plate category
표 The natural log of the steady-state creep rate versus temperature raised to the negative one power. The slope is indicated for each temperature and plate category. The slope is equal to the negative of the activation energy divided by the universal gas constant
표 Larson-Miller plot for time to creep rupture with C=17.39. The calculated LMP and C value are from Wright’s regression analysis described in Section above Experimental creep-rupture data of the diffusion-welded and base metal are shown

과제명(ProjectTitle) :	-
연구책임자(Manager) :	-
과제기간(DetailSeriesProject) :	-
총연구비 (DetailSeriesProject) :	-
키워드(keyword) :	-
과제수행기간(LeadAgency) :	-
연구목표(Goal) :	-
연구내용(Abstract) :	-
기대효과(Effect) :	-

내보내기 구분	파일저장 인쇄 메일전송
구성항목	기본정보 상세정보 관리번호, 제목(한글), 저자명(한글), 발행일자, 전자원문, 초록(한글), 초록(영문) 관리번호, 제목(한글), 제목(영문), 저자명(한글), 저자명(영문), 주관연구기관(한글), 주관연구기관(영문), 발행일자, 총페이지수, 주관부처명, 과제시작일, 보고서번호, 과제종료일, 주제분류, 키워드(한글), 전자원문, 키워드(영문), 입수제어번호, 초록(한글), 초록(영문), 목차
저장형식	Text(ASCII format) Excel format
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

연합인증

[국가R&D연구보고서] 고집적 열교환기 적용을 위한 Alloy 617 합금의 확산접합 성능 검증
Demonstration of Diffusion Bonding Performance of Alloy 617 for the Application of Compact Heat Exchangers 원문보기

초록 ▼

목차 Contents

표/그림 (63)

표/그림 (63)

연구자의 다른 보고서 :

참고문헌 (25)

연구과제 타임라인

관련 콘텐츠

원문 보기

이 보고서와 함께 이용한 콘텐츠

AI-Helper ※ AI-Helper는 오픈소스 모델을 사용합니다.

선택된 텍스트

연합인증

[국가R&D연구보고서] 고집적 열교환기 적용을 위한 Alloy 617 합금의 확산접합 성능 검증 Demonstration of Diffusion Bonding Performance of Alloy 617 for the Application of Compact Heat Exchangers 원문보기

초록 ▼

목차 Contents

표/그림 (63) 모든 표/그림 보기

표/그림 (63) 슬라이드로 보기

연구자의 다른 보고서 :

김우곤 (58) 김용완 (47) 김응선 (19) 김연구 (52) 지세환 (8)

참고문헌 (25)

연구과제 타임라인

전체(0) 논문(0) 특허(0) 보고서(0)

전체(0) 논문(0) 특허(0) 보고서(0)

관련 콘텐츠

원문 보기

이 보고서와 함께 이용한 콘텐츠

AI-Helper ※ AI-Helper는 오픈소스 모델을 사용합니다.

선택된 텍스트

[국가R&D연구보고서] 고집적 열교환기 적용을 위한 Alloy 617 합금의 확산접합 성능 검증
Demonstration of Diffusion Bonding Performance of Alloy 617 for the Application of Compact Heat Exchangers 원문보기

표/그림 (63)

표/그림 (63)