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Mechanical Properties and Performance of Engineering Ceramics and Composites X: Ceramic Engineering and Science Proceedings, Volume 36 Issue 2Overlay E-Book Reader

Mechanical Properties and Performance of Engineering Ceramics and Composites X: Ceramic Engineering and Science Proceedings, Volume 36 Issue 2

A Collection of Papers Presented at the 39th International Conference on Advanced Ceramics and Composites, Volume 36, Issue 2 | Dileep Singh

E-Book (EPUB)
2015 Wiley-american Ceramic Society
Auflage: 1. Auflage
128 Seiten
ISBN: 978-1-119-21147-1

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INTERNATIONAL STANDARDS FOR PROPERTIES AND PERFORMANCE OF ADVANCED CERAMICS

Michael G. Jenkins,

Bothell Engineering & Science Technologies, Bothell, WA, USA, jenkinsmg@bothellest.coms

Jonathan A. Salem,

NASA Glenn Research Center, Cleveland, OH, USA, jonathan.a.salem@nasa.gov

John Helfinstine,

Corning Inc Retiree & Consultant, Big Flats, NY, USA, veakin@earthlink.net

George D. Quinn,

Government Retiree & Consultant, NIST, Gaithersburg, MD, USA, george.quinn@nist.gov

Stephen T. Gonczy,

Gateway Materials Technology, Inc., Mt. Prospect, IL, USA, gatewaymt@aol.com

ABSTRACT

Mechanical and physical properties and performance of brittle bodies, including advanced ceramics and glasses, can be difficult to measure correctly unless the proper techniques are used. ASTM Committee C28 on Advanced Ceramics has developed numerous full-consensus standards (e.g., test methods, practices, guides, terminology) to measure various properties and performance of a monolithic and composite ceramics and coatings that, in some cases, may be applicable to glasses. These standards give the "what, how, how not, why, why not, etc." for many mechanical, physical, and thermal properties and performance of advanced ceramics. Use of these standards provides accurate, reliable, repeatable and complete data. Involvement in ASTM Committee C28 has included users, producers, researchers, designers, academicians, etc. who write and continually update, as well as validate through round robin test programmes, more than 45 standards since the committee' sinception in 1986. Included in this poster is a pictogram of the ASTM Committee C28 standards and how to obtain them either as i) individual copies with full details or ii) a complete collection in one volume. A listing of other ASTM committees that might be of interest is included. In addition, some examples of the tangible benefits of standards for advanced ceramics are employed to demonstrate their practical application.

KEYWORDS - ceramics, composites, coatings, standards, characterizations, properties, measurements.

INTRODUCTION

Demand for more efficient, environmentally-friendly heat engines, including gas turbines; unlubricated, wear-resistant bearings; long-lived, ever-sharp cutting implements, insulating, high-strength electronic packages, to name a few applications, have fueled extensive worldwide investigations of the mechanical, physical, and thermal behavior (and its subsequent characterization) of structural ceramics (SCs) and ceramic matrix composites (CMCs). From an engineering perspective, determination of the properties and performance (e.g., mechanical, thermal, thermo-mechanical, physical, environmental, etc.) of SCs and CMCs is required for a number of reasons: 1) to provide basic characterization for purposes of materials development, quality control and comparative studies; 2) to provide a research tool for revealing the underlying mechanisms of properties and performance; and 3) to provide performance-prediction data for engineering applications and components design [1]. As SC and CMC prototypes and products reach the marketplace in greater numbers, the paucity of standards (i. e., test methods, classification systems, unified terminology, and reference materials ) for these materials and the lack of applicable design codes and their related data bases are limiting factors for their commercial diffusion and industrial acceptance [2].

The term "standards" has multiple meanings for multiple users. In the research and technical communities, standards may be fundamental test methodologies and units of measure. For manufacturers or end-product users standards may be materials specifications and tests to meet requirements. Commercial standards are the rules and terms of information transfer among designers, manufacturers and product users



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