Structural Reliability Analysis of Laminated CMC Components | Zendy

S. F. Duffy | Zendy; Joseph L. Palko | Zendy; J. P. Gyekenyesi | Zendy

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Structural Reliability Analysis of Laminated CMC Components

Author(s) -

S. F. Duffy,

Joseph L. Palko,

J. P. Gyekenyesi

Publication year - 1993

Publication title -

journal of engineering for gas turbines and power

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.567

H-Index - 84

eISSN - 1528-8919

pISSN - 0742-4795

DOI - 10.1115/1.2906663

Subject(s) - weibull distribution , reliability (semiconductor) , reliability engineering , aerospace , finite element method , component (thermodynamics) , computer science , structural reliability , materials science , cracking , structural engineering , engineering , composite material , mathematics , statistics , probabilistic logic , power (physics) , physics , quantum mechanics , thermodynamics , aerospace engineering , artificial intelligence

For laminated ceramic matrix composite (CMC) materials to realize their full potential in aerospace applications, design methods and protocols are a necessity. This paper focuses on the time-independent failure response of these materials and presents a reliability analysis associated with the initiation of matrix cracking. It highlights a public domain computer algorithm that has been coupled with the laminate analysis of a finite element code and which serves as a design aid to analyze structural components made from laminated CMC materials. Issues relevant to the effect of the size of the component are discussed, and a parameter estimation procedure is presented. The estimation procedure allows three parameters to be calculated from a failure population that has an underlying Weibull distribution.

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