船殻強度部材として使用するステンレスクラッド鋼板の要求性能に関する検討

概要

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Stainless-steel-clad mild steel plate in chemical tanker is used for principal hull structural members and we have a little worry for reliability of strength to tensile stress in normalplane direction. Therefore in this study, concrete required values of shear strength and fracture toughness under real design conditions were investigated. As a result of this study, the following conclusions were obtained; (1) Required fracture toughness of boundary surface of stainless-steel-clad mild steel plate is 100kgf/mm^<3/2> for use of members under corrugated transverse bulkhead. (2) Required shear strength of stainless-steel-clad mild steel plate that shipyard requires to mill maker is 30kgf/mm^2. (3) Relationships between fracture toughness and shear strength is evident. (4) Apply of regulations of JIS about allowable defects is not desirable to stainless-steel-clad mild steel for use of hull structural members in chemical tanker.
社団法人日本船舶海洋工学会の論文
1999-09-04