Measurement of local creep deformation in cross-weld specimen by optical fiber marking and remote monitoring

Journal of Pressure Vessel Technology, Transactions of the ASME

Volumn 124, Issue 1, 2002, Pages 54-58

  Tu, Shan Tung ^a   Gong, Jian Ming ^a   Ling, Xiang ^a   He, Xiao Yuan ^a  

^a NANJING TECH UNIVERSITY   (China)

Author keywords

Creep Measurement; Cross Weld Specimen; High Temperature Deformation; Image Analysis; Quartz Optical Fiber

Indexed keywords

CREEP; DEFORMATION; HEAT AFFECTED ZONE; IMAGE PROCESSING; STRAIN; WELDING;

REMOTE MONITORING; WELDMENTS;

OPTICAL FIBERS;

EID: 0036487167     PISSN: 00949930     EISSN: None     Source Type: Journal    
DOI: 10.1115/1.1425808     Document Type: Article

References (10)

1. Tu, S.T., and Sandstrom, R., 1994, "Evaluation of Weldment Creep Strength Reduction Factors by Experimental and Numerical Simulation," Int. J. Pressure Vessels Piping, 57, pp. 335-344.
2. ASTM, 1997, "Standard Test Method for Conducting Creep, Creep-Rupture, and Stress-Rupture Tests of Metallic Materials," ASTM Standard, E 139-96.
3. Tu, S.-T., Gong, J.-M., and Ling, X., 1999, "Mechanical Behavior of Laboratory Cross-Weld Specimen and its Relation with the Practical Cases at Elevated Temperature," Acta Metall. Sin., 12, pp. 82-88.
4. Xie, H.-M., and Dai, F.-L., 1994, "Experimental Study of Moiré Method in Application to the Measurement of Metal Creep," (in Chinese), Mechanical Strength, 16, No. 4, pp. 27-30.
5. Kishimoto, K., and Shinya, N., 1995, "Electron Moiré Method for Measurement of High Temperature Deformation," Proc. 2nd Japan-Sino Bilateral Symposium on High Temperature Strength of Materials, Nagaoka, Japan, pp. 71-76.
6. Gong, J.M., 1999, "Research on the Structural Integrity of Weldments at High Temperature," Ph.D. dissertation, Nanjing University of Chemical Technology, Nanjing.
7. Gonzalez, R.C., and Wintz, P., 1977, Digital Image Processing, First Edition, Addison-Wesley Publishing Company, MA.
8. Storesund, J., and Tu, S.T., 1995, "Geometrical Effect on Creep in Cross-weld Specimens," Int. J. Pressure Vessels Piping, 62, pp. 179-193.
9. Laha, K., Bhanu Sankara, R., and Mannan, S.L., 1990, "Creep Behavior of Post-Weld Heat-Treatment 2.25Cr-1Mo Ferritic Steel: Base, Weld Metal and Weldments," Mater. Sci. Eng., A, 129, pp. 183-195.
10. Gong, J.M., Tu, S.T., and Ling, X., 2000, "Research of Welding Effect on Creep Damage of High Temperature Furnace Tubes," Key Eng. Mater., 171-174, pp. 189-196.