書誌事項
- タイトル別名
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- A Study on the Direction of Crack Propagation at Damaged Parts of Hot Dip Galvanizing Bath
- ヨウユウ アエンメッキ ガマ ハソンブ ノ キレツ シンテン ホウコウ ニ カンスル イチ コウサツ
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At start-up operation of hot dip galvanizing baths to galvanize steel products, several leakage accidents of liquid zinc due to the damage at the vicinity of welded parts between side and bottom plates have been reported. Among those accidents, it is found that transferred liquid zinc solidified in the bath heated inadequately. In another paper, the authors investigate stress levels and directions at corners of the bath to clarify the cause of the damage applying unsteady heat conduction analysis, elastic and elastic-plastic analysis for solidified zinc inside of the bath as mechanical approaches. However, they have not studied the direction of the crack, that is, it starts from the vicinity of a welded part at the bottom plate and propagates downward vertically or 45 degrees toward outside of side plate, then changes its direction to be parallel to the bottom plate.This paper investigates the cause of the direction change of crack, which propagates downward then horizontally, at the corner of the bottom plate from mechanical and material aspect.
収録刊行物
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- 日本船舶海洋工学会論文集
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日本船舶海洋工学会論文集 15 (0), 111-116, 2012
公益社団法人 日本船舶海洋工学会
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詳細情報 詳細情報について
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- CRID
- 1390282680231927808
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- NII論文ID
- 10030509716
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- NII書誌ID
- AA12057769
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- ISSN
- 18811760
- 18803717
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- NDL書誌ID
- 023911870
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
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- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可