Evaluation of equi‐biaxial strength of thin sic coatings using ring‐on‐ring testing and digital image correlation
Sola Iwamoto,
Sosuke Kondo,
Hirokazu Katsui
et al.
Abstract:To assess the strength of coatings under multi‐axial stress conditions, a method was developed to evaluate the biaxial strength of thin silicon carbide (SiC) coatings using a Ring‐on‐Ring test. A graphite substrate was used as an intermediary to transmit stress from the load ring to the coated specimen, and the thin coating was subjected to a uniform equi‐biaxial stress. The strain in the thin film was continuously monitored using digital image correlation, allowing the identification of the time at which and … Show more
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