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Determination of Specifications for Tensile Strength of Castings

Determination of Specifications for Tensile Strength of Castings Abstract This case study is concerned with the determination of the specifications of tensile strengths of castings. Thus far, the company has relied on the tensile strength of the test bars as certified by the foundries. Recently, it has bought a tensometer. This machine requires small specimen, which can be machined out of the casting itself. Regression analysis was used to obtain specification limits. A designed experiment enabled the apportioning of variation. It was found that ladle-to-ladle variation was significant. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Economic Quality Control de Gruyter

Determination of Specifications for Tensile Strength of Castings

Economic Quality Control , Volume 17 (2) – Oct 1, 2002

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Publisher
de Gruyter
Copyright
Copyright © 2002 by the
ISSN
1869-6147
eISSN
1869-6147
DOI
10.1515/EQC.2002.135
Publisher site
See Article on Publisher Site

Abstract

Abstract This case study is concerned with the determination of the specifications of tensile strengths of castings. Thus far, the company has relied on the tensile strength of the test bars as certified by the foundries. Recently, it has bought a tensometer. This machine requires small specimen, which can be machined out of the casting itself. Regression analysis was used to obtain specification limits. A designed experiment enabled the apportioning of variation. It was found that ladle-to-ladle variation was significant.

Journal

Economic Quality Controlde Gruyter

Published: Oct 1, 2002

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