STUDY OF STRESS INTENSITY FACTOR K I FOR INTERNAL SURFACE CRACKS IN PRESSURIZED THIN SPHERICAL SHELL USING FROZEN STRESS PHOTO-ELASTIC METHOD
Liu Weimin, Huang Zhaozhi, Pan Bingzhi, Chen Lunyuan
Editorial office of ACTA PETROLEI SINICA . 1988, (2): 92 -98 .  DOI: 10.7623/syxb198802011

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