SNECMA Experience With Cost Effective DS Airfoil Technology Applied Using CM 186 LC® Alloy-Reference-Cited by-同舟云学术

SNECMA Experience With Cost Effective DS Airfoil Technology Applied Using CM 186 LC® Alloy

Published:1996-06-10 Issue: Volume: Page:
ISSN:
Container-title:Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General
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Author:

Caruel F.¹,Bourguignon S.¹,Lallement B.¹,Fargeas S.¹,DeBussac A.¹,Harris K.²,Erickson G. L.²,Wahl J. B.²

Affiliation:

1. SNECMA, Gennevilliers and Evry, France

2. Cannon-Muskegon Corporation [SPS Technologies, Inc.], Muskegon, MI

Abstract

From a cost point of view SNECMA has found DS columnar grain manufacturing technology to be highly attractive compared to single crystal. CM 186 LC alloy exhibits enhanced mechanical and environmental properties and temperature capability compared to MAR M 200 Hf alloy; these properties are close to first generation single crystal alloys up to 982°C (1800°F). The alloy is shown to be amenable to various coating and brazing high temperature processes. The longer term creep-rupture/phase stability data base on the alloy has now been extended out to 8300 hours at 1038°C (1900°F). Castings for engine test have been produced using CM 186 LC alloy.

Publisher

American Society of Mechanical Engineers

Link

http://asmedigitalcollection.asme.org/GT/proceedings-pdf/doi/10.1115/96-GT-493/4465251/v005t12a012-96-gt-493.pdf

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