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ÌâÄ¿£ºCrack Size Tolerance of Under-matched Joints of Hull Steel with Different Weld Toughness
×÷ÕߣºJi Sun, Chibin Gui, Wenjun Chen
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Accession number:  20120414713568

Title:  Crack size tolerance of under-matched joints of hull steel with different weld toughness

Authors:  Sun, Ji1 ; Gui, Chibin2 ; Chen, Wenjun1   

Author affiliation:  1  College of Naval Architecture and Power Engineering, Naval University of Engineering, Wuhan 430033, China

2  Department of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China


Corresponding author:  Sun, J. (sunji_ah@163.com)  

Source title:  Advanced Materials Research

Abbreviated source title:  Adv. Mater. Res.

Volume:  430-432

Monograph title:  Frontiers of Advanced Materials and Engineering Technology, FAMET 2012

Issue date:  2012

Publication year:  2012

Pages:  341-344

Language:  English

ISSN:  10226680

ISBN-13:  9783037853399

Document type:  Conference article (CA)

Conference name:  2012 International Conference on Frontiers of Advanced Materials and Engineering Technology, FAMET 2012

Conference date:  January 4, 2012 - January 5, 2012

Conference location:  Xiamen, China

Conference code:  88155

Sponsor:  Int. Front. Sci. Technol. Res. Assoc.; HongKong Control Eng. Inf. Sci. Res. Assoc.

Publisher:  Trans Tech Publications, P.O. Box 1254, Clausthal-Zellerfeld, D-38670, Germany

Abstract:  In order to investigate the safety performance of welding structure of 10CrNi3MoV hull steel, with the application of FAD method provided by SINTAP, this paper made safety assessment for 2 joints with the same yield stress under-matching ratio but different weld toughness. Based on tensile test and CTOD test results, assessment was carried out. Several different sizes (2a) of weld central crack were given. Then the crack size tolerance for each joint can be found. Through relative analysis, a few conclusions were gained. As long as the assessment level is selected, FAD shape changed little. Weld toughness influenced weakly on a joint's resistance to plastic instability, but significantly on its anti-brittle capacity. The higher weld toughness is, the more likely assessment point located within failure assessment curve, i.e. the safety performance is correspondingly better. © (2012) Trans Tech Publications.

Number of references:  6

Main heading:  Safety engineering

Controlled terms:  Cracks  -  Engineering technology  -  Rating  -  Tensile testing  -  Toughness  -  Welding  -  Welds  -  Yield stress

Uncontrolled terms:  Assessment level  -  Central cracks  -  Crack sizes  -  Different sizes  -  Failure assessment curves  -  Plastic instabilities  -  Relative analysis  -  Safety assessment  -  Safety assessments  -  Safety performance   -  Shape-changed  -  SINTAP  -  Tensile tests  -  Under-matched joint  -  Welding structure

Classification code:  914 Safety Engineering  -  902.2 Codes and Standards  -  902 Engineering Graphics; Engineering Standards; Patents  -  901 Engineering Profession  -  538.2 Welding  -  422.2 Strength of Building Materials : Test Methods  -  421 Strength of Building Materials; Mechanical Properties

DOI:  10.4028/www.scientific.net/AMR.430-432.341

Database:  Compendex
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