Nonlinear damage behavior of ceramic matrix composites under tensile loading

2022 ◽  
pp. 35-58
Author(s):  
Longbiao Li
Keyword(s):  
Ceramic Matrix Composites ◽  
Ceramic Matrix ◽  
Tensile Loading ◽  
Matrix Composites ◽  
Damage Behavior

Damage Evaluation of CMCs after Drilling with Geometrically Defined Cutting Edges

2015 ◽  
Vol 825-826 ◽  
pp. 271-278 ◽  
Author(s):  
Achim Rösiger ◽  
Ralf Goller
Keyword(s):  
Quality Index ◽  
Ceramic Matrix Composites ◽  
Ceramic Matrix ◽  
Drill Hole ◽  
Damage Evaluation ◽  
Matrix Composites ◽  
Hole Quality ◽  
Damage Behavior ◽  
Drilling Parameters ◽  
Poly Crystalline Diamond

In this contribution a new method of drilling Ceramic Matrix Composites (CMC) with geometrically defined cutting edges is introduced. For this, tools with massive PCD (Poly Crystalline Diamond) drilling bits are applied. To evaluate the drill hole quality the damage behavior is analyzed by an optical method and a new quality index is introduced. The fundamental investigations on the basic drilling parameters of a C/C-SiC material are presented

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