Title: NDE FOR PRODUCTION OF SILICON NITRIDE AUTOMOTIVE ENGINE COMPONENTS

Abstract:
NDE techniques and emphasis during components development efforts often differ from those required during production efforts. Development programs requiring limited quantities of prototype parts typically use NDE as a means of "inspecting in" quality, and product delivery is often accomplished by making parts until the required number pass inspection. Accept/reject criteria are often ill defined, which may lead to too little, or to much NDE, or accepted or rejected parts. Generic and-or laboratory NDE can be afforded. Effort is often expended searching for the NDE techniques providing the "ultimate" in sensitivity, but not practicality. In a production mode, however, demands for reliability, delivery, and price require that NDE approaches be coordinated with the design, application requirements, fabrication method, production volume, and cost Examples of these issues will be presented, and the need to coordinate production NDE early in the process development will be discussed.
(Ref. SXVIII-003-97)

Source: NDE of Ceramics '97 May 4-7, Symposium on Nondestructive Evaluation of Ceramics at the American Ceramic Society 99th Annual Meeting, Cincinnati, Ohio.
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