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Title: Material Selection for a Pressure Vessel PDF
Url: http://search.asee.org/search/fetch?url=file%3A%2F%2Flocalhost%2FE%3A...
Creator: Chattopadhyay, Sonnath
Publisher: American Society for Engineering Education
Description: Pressure vessels are designed to contain pressure and withstand the operating mechanical and thermal transients for a specified design life. In addition they are designed to safety to leak before break (LBB). LBB describes the situation in which a leak occurs before a complete double-ended break of a component. Ductile and tough materials are widely used in nuclear pressure vessels, because of their high resistance to catastrophic rupture. The design process involves fatigue analysis to demonstrate that there is insignificant crack growth a postulated surface crack during the entire design life. However in terms of LBB the significant parameter is the elastic-plastic fracture toughness, and the material strength. However based on assessment based on linear elastic fracture mechanics, the candidate materials are carbon steels, low alloy steels and stainless steels, which interestingly are the materials that are used for pressure vessels. In terms of the fatigue crack initiation, the appropriate parameters are the threshold stress intensity factor range and the endurance limit and the material selection is based on these parameters.
LC Classification: Technology -- Manufactures -- Metal manufactures. Metalworking -- Pressure vessels
Technology -- Mechanical engineering and machinery -- Study and teaching
GEM Subject: Science -- Engineering
Vocational Education -- Trade and industrial
Key Concept: Mechanical engineering -- Pressure
Manufacturing -- Metal machining
Key Concepts Complete: Yes
Resource Type: Instructional Materials
Reading Materials
Science Materials
Teaching Guides
Format: pdf
Audience: College/University Instructors
Higher Education
Secondary Education
Students
Teachers
Technical School First Cycle
Technical School Second Cycle
University First Cycle
University Second Cycle
Vocational Training
Language: English
Rights: American Society for Engineering Education
Access Rights: Free access
Date Of Record Release: 2009-09-24 03:00:01 (W3C-DTF)
Date Last Modified: 2012-06-05 15:46:52 (W3C-DTF)
Source Type: ATE Center
Source: National Center for Manufacturing Education
Full Record Views: 58
Resource URL Clicks: 11
Cumulative Rating: NOT YET RATED
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