Journal
SCRIPTA MATERIALIA
Volume 112, Issue -, Pages 132-135Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2015.09.032
Keywords
Toughness; Focused Ion Beam (FIB); Finite element analysis; Fused quartz; Chevron notch
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Funding
- European Research Council under the European Union's Seventh Framework Programme (FP)/ERC Advanced Grant [291085]
- European Research Council (ERC) [291085] Funding Source: European Research Council (ERC)
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We extend to flat surfaces the fracture toughness method presented in Acts Materialia vol. 86 (2015) p.385 and measure in this manner the fracture toughness of fused quartz. Tests give 0.67 +/- 0.01 MPa m(1/2) which agrees with earlier microscopic and macroscopic test data for the fast fracture toughness of this material. Data show no signs of sub-critical crack growth; this observation is at variance with what one would expect from literature data on the phenomenon. (C) 2015 The Authors. Published by Elsevier Ltd.
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