• 기계와재료
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• v.12 no.2 s.44
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• pp.70-78
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• 2000

• 발명특허
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• v.2 no.3 s.13
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• pp.3-5
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• 1977

• 기계와재료
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• v.17 no.4 s.66
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• pp.95-100
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• 2005

• 기계와재료
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• v.11 no.2 s.40
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• pp.30-36
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• 1999

• 기계와재료
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• v.7 no.3 s.25
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• pp.85-97
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• 1995

• 기계와재료
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• v.5 no.4 s.18
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• pp.6-16
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• 1993

• 기계와재료
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• v.5 no.4 s.18
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• pp.29-36
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• 1993

• 기계와재료
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• v.12 no.1 s.43
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• pp.6-14
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• 2000

• Journal of the Korea Academia-Industrial cooperation Society
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• v.16 no.12
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• pp.8447-8454
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• 2015

ISO 12215-5 standard describes allowable stress design specifications of monohull small boat with a length of hull between 2.5 m and 24 m constructed from fiber reinforced plastics, aluminium or steel alloys, glued wood or other suitable boat building material. If small boat hull is under 2.5m in overall length or nonstandard material is used as boat building material, structural reliability of small boat hull is assured by drop test specification, but not by structural design specification in accordance with ISO 12215-5. Drop test specification of boat hull can be applied to manufactured product. But it is difficult and complicated to apply drop test specification to structural design of boat hull. In this study, we present structural design method of polyethylene boat hull on the basis of longitudinal bending strength test specification.

• Journal of the Korean Society for Nondestructive Testing
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• v.33 no.2
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• pp.147-153
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• 2013

Recently the primary water stress corrosion cracking(PWSCC) has occurred in the dissimilar metal weld region between pressurizer nozzle and safe-end in nuclear power plants(NPPs). As material of the pressurizer nozzle, SA508 Gr. 3 low alloy steel was used. F316L stainless steel and Alloy 82/182 were used as safe-end and weld metal, respectively. Although mechanical properties are needed for evaluation of the structural integrity against flaw in the material, material specification and standard don't supply those properties. Therefore, the present study conducted tensile and fracture toughness tests on SA508 Gr.3 and F316L stainless steel at ambient temperature and operating temperature of NPPs and reported the tested results.