Measurement of Local Creep Deformation in Cross-Weld Specimen by Optical Fiber Marking and Remote Monitoring

[+] Author and Article Information
Shan-Tung Tu, Jian-Ming Gong, Xiang Ling

Department of Mechanical Engineering, Nanjing University of Technology, Nanjing 210009, China

Xiao-Yuan He

Department of Civil Engineering, Southeast University, Nanjing 210096, China

J. Pressure Vessel Technol 124(1), 54-58 (Aug 02, 2001) (5 pages) doi:10.1115/1.1425808 History: Received February 24, 2000; Revised August 02, 2001
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Grahic Jump Location
Light transmission in an optical fiber
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Region definition in an image
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Sketch of measuring system of local creep deformation
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Arrangement of Optical Fibers in 1Cr0.5Mo cross-weld specimen
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Creep curves of base metal
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Creep curves of weld metal
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Minimum creep strain rates versus applied stress
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Strain distribution across 1Cr0.5Mo weldment at 145 MPa
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Strain distribution across 1Cr0.5Mo weldment at 110 MPa
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Optical fiber arrangement in HK-40 cross-weld specimen
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Creep curves for weld metal of cross weld specimens



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