Abstract
This paper provides simulation of ductile crack growth in full-scale cracked pipe tests using an element-size dependent damage model. This method is based on the stress-modified fracture strain damage model. The stress-modified fracture strain model is determined to be incremental damage in terms of stress triaxiality and fracture strain for dimple fracture from tensile test result with FE analyses technique. To validate the proposed method, this research analyses STPT 410 cracked pipes test at 300°C taken from CRIEPI(Central Research Institute of Electric Power Industry). In order to calibrate the stress-modified fractures strain model, tensile tests and fracture toughness tests were compared with simulated results using element-size dependent damage model. Tensile specimen and fracture toughness specimen were extracted from STPT 410 steel pipe. The calibrated damage model predicts ductile crack growth in 5 type circumferential cracked pipes bending test. And these results were compared with the experimental results. The results show that the proposed method can simulate ductile crack growth in full-scale cracked pipe tests.
| Original language | English |
|---|---|
| Title of host publication | American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP |
| Publisher | American Society of Mechanical Engineers (ASME) |
| Volume | 6B |
| ISBN (Print) | 9780791846049 |
| DOIs | |
| Publication status | Published - 2014 Jan 1 |
| Event | ASME 2014 Pressure Vessels and Piping Conference, PVP 2014 - Anaheim, United States Duration: 2014 Jul 20 → 2014 Jul 24 |
Other
| Other | ASME 2014 Pressure Vessels and Piping Conference, PVP 2014 |
|---|---|
| Country | United States |
| City | Anaheim |
| Period | 14/7/20 → 14/7/24 |
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ASJC Scopus subject areas
- Mechanical Engineering
Cite this
Ductile fracture simulation of criepi STPT 410 pipe with circumferential crack. / Nam, Hyun Suk; Oh, Young Ryun; Han, Jae Jun; Oh, Chang Young; Kim, Yun-Jae; Miura, Naoki.
American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP. Vol. 6B American Society of Mechanical Engineers (ASME), 2014.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
}
TY - GEN
T1 - Ductile fracture simulation of criepi STPT 410 pipe with circumferential crack
AU - Nam, Hyun Suk
AU - Oh, Young Ryun
AU - Han, Jae Jun
AU - Oh, Chang Young
AU - Kim, Yun-Jae
AU - Miura, Naoki
PY - 2014/1/1
Y1 - 2014/1/1
N2 - This paper provides simulation of ductile crack growth in full-scale cracked pipe tests using an element-size dependent damage model. This method is based on the stress-modified fracture strain damage model. The stress-modified fracture strain model is determined to be incremental damage in terms of stress triaxiality and fracture strain for dimple fracture from tensile test result with FE analyses technique. To validate the proposed method, this research analyses STPT 410 cracked pipes test at 300°C taken from CRIEPI(Central Research Institute of Electric Power Industry). In order to calibrate the stress-modified fractures strain model, tensile tests and fracture toughness tests were compared with simulated results using element-size dependent damage model. Tensile specimen and fracture toughness specimen were extracted from STPT 410 steel pipe. The calibrated damage model predicts ductile crack growth in 5 type circumferential cracked pipes bending test. And these results were compared with the experimental results. The results show that the proposed method can simulate ductile crack growth in full-scale cracked pipe tests.
AB - This paper provides simulation of ductile crack growth in full-scale cracked pipe tests using an element-size dependent damage model. This method is based on the stress-modified fracture strain damage model. The stress-modified fracture strain model is determined to be incremental damage in terms of stress triaxiality and fracture strain for dimple fracture from tensile test result with FE analyses technique. To validate the proposed method, this research analyses STPT 410 cracked pipes test at 300°C taken from CRIEPI(Central Research Institute of Electric Power Industry). In order to calibrate the stress-modified fractures strain model, tensile tests and fracture toughness tests were compared with simulated results using element-size dependent damage model. Tensile specimen and fracture toughness specimen were extracted from STPT 410 steel pipe. The calibrated damage model predicts ductile crack growth in 5 type circumferential cracked pipes bending test. And these results were compared with the experimental results. The results show that the proposed method can simulate ductile crack growth in full-scale cracked pipe tests.
UR - http://www.scopus.com/inward/record.url?scp=84911967781&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84911967781&partnerID=8YFLogxK
U2 - 10.1115/PVP2014-28904
DO - 10.1115/PVP2014-28904
M3 - Conference contribution
SN - 9780791846049
VL - 6B
BT - American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP
PB - American Society of Mechanical Engineers (ASME)
ER -