AGARD/SMP Review: Damage Tolerance for Engine Structures. 3. Component Behaviour and Life Management PDF Download
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Author: North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Author: North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
Get Book Here
Book Description
Author:
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ISBN:
Category :
Languages : en
Pages : 73
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The Structures and Materials Panel is co-ordinating a series of four Workshops planned within the framework of a Review on Damage Tolerance for Engine Structures. The Review aims to address the areas critical to the acceptance of an approach based on damage tolerance concepts as an alternative lifing philosophy to that of 'safe-life' for the design of engine components. Workshops have been held at two previous Panel Meetings dealing with 'Non- Destructive Evaluation of Components, AGARD R-768' and 'Defects and Quantitative Materials Behaviour, AGARD R-769'. The third Workshop was held during the sixty eighth Panel Meeting and surveyed current approaches to the prediction of component behaviour and the establishment of suitable inspection schedules. The role of testing and life management planning in these approaches was examined. Future technology requirements and the need for a common AGARD approach were discussed. This publication includes the presentations made in the course of the third Workshop, together with Recorders' Report of the discussions.
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ISBN:
Category :
Languages : en
Pages : 104
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Author: ADVISORY GROUP FOR AEROSPACE RESEARCH AND DEVELOPMENT NEUILLY-SUR-SEINE (FRAN CE)
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ISBN:
Category :
Languages : en
Pages : 105
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Most current military and all civil engines are operated under 'safe life' procedures for their critical components. Experience has shown that this philosophy presents two drawbacks: The move towards designs allowing higher operational stresses, and the use of advanced high-strength alloy make it likely that a disc burst could happen (following a rapid crack growth) well before the statistically-based 'safe life' has been achieved. It is potentially wasteful of expensive components, since it has been estimated that over 80% of engines discs have ten or more low cycle fatigue lives remaining when discarded under 'safe life' rules. Damage tolerance begins an alternative life being philosophy, the Sub-Committee on 'Damage Tolerance Concepts for the Design of Engine Constituents' has therefore decided to conduct a series of four Workshops addressing the areas critical to Damage Tolerance design of engine parts. The present report includes the papers presented during Workshop II dealing with Defects and Quantitative Materials Behaviour. It also includes the content of the discussions which followed the presentations. Keywords: Endurance general; Fatigue mechanics; Engine disks; Cracks; Gas turbines; Nato; Alloys; Metals; Aircraft engines. (AW).
Author: North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: ADVISORY GROUP FOR AEROSPACE RESEARCH AND DEVELOPMENT NEUILLY-SUR-SEINE (FRAN CE)
Publisher:
ISBN:
Category :
Languages : en
Pages : 124
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Book Description
Most current military and all civil engines are operated under 'Safe-life' procedures for their critical components. Experience has shown that this philosophy presents two drawbacks: (a) The move towards designs allowing higher operational stresses, and the use of advanced high-strength alloys make it likely that a disc burst could happen (following a rapid crack growth) well before the statistically-based 'Safe-life' has been achieved. (b) It is potentially wasteful of expensive components, since it has been estimated that over 80% of engine discs have ten or more low cycle fatigue lives remaining when discarded under Safe-life rules. Damage Tolerance being an alternative lifeing philosophy, the Sub-Committee on Damage Tolerance Concepts for the Design of Engine Constituents has therefore decided to conduct a series of four Workshops addressing the areas critical to Damage Tolerant design of engine parts. The present report includes the papers presented during Workshop 1 which was devoted to Non-Destructive Evaluation of Components. France. (JES).
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ISBN: 9789283506485
Category :
Languages : en
Pages : 40
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Category : Aeronautics
Languages : en
Pages : 296
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ISBN: 9789283504849
Category :
Languages : en
Pages :
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Author: North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 526
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