Further Observations On The Formation Of Sigma Phase In A Nickel Base Superalloy In 100

Author : Robert L. Dreshfield
Publisher : Unknown
Page : 36 pages
File Size : 53,6 Mb
Release : 1970
Category : Heat resistant alloys
ISBN : UIUC:30112106691394

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Further Observations on the Formation of Sigma Phase in a Nickel-base Superalloy (IN-100) by Robert L. Dreshfield Pdf

Sigma-free, moderately, and very sigma prone cast IN-100 were exposed at 1550' F (843' C) for 250 and 2500 hours to permit sigma to form. As sigma increased, rupture life, tensile strength and ductility decreased. Yield strength at room temperature increased after exposure for 250 hours. Exposure times of 2500 hours caused the yield to approach or fall below the as cast values. Sigma isothermal transformation curves were prepared for wrought and cast IN-100 having essentially the same compositions. Wrought material exposed in a stress gradient at 1550' F (843' C) was examined for a stress effect on sigma formation.

Author : Robert L. Dreshfield
Publisher : Unknown
Page : 30 pages
File Size : 55,6 Mb
Release : 1970
Category : Heat resistant alloys
ISBN : OCLC:227241708

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Further Observations on the Formation of Sigma Phase in a Nickel-base Superalloy (IN-100) by Robert L. Dreshfield Pdf

Sigma-free, moderately, and very sigma prone cast IN-100 were exposed at 1550' F (843' C) for 250 and 2500 hours to permit sigma to form. As sigma increased, rupture life, tensile strength and ductility decreased. Yield strength at room temperature increased after exposure for 250 hours. Exposure times of 2500 hours caused the yield to approach or fall below the as cast values. Sigma isothermal transformation curves were prepared for wrought and cast IN-100 having essentially the same compositions. Wrought material exposed in a stress gradient at 1550' F (843' C) was examined for a stress effect on sigma formation.

Author : Anonim
Publisher : Unknown
Page : 520 pages
File Size : 47,9 Mb
Release : 1974
Category : Electronic
ISBN : MINN:31951000846499E

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NASA Technical Note by Anonim Pdf

Author : Fredric H. Harf
Publisher : Unknown
Page : 22 pages
File Size : 44,7 Mb
Release : 1981
Category : Electronic
ISBN : NASA:31769000551880

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Microstructural Behavior of Interfaces in Hot Isostatically Pressed, Dual Alloy Combinations by Fredric H. Harf Pdf

Author : Anonim
Publisher : Unknown
Page : 772 pages
File Size : 40,9 Mb
Release : 1994
Category : Aeronautics
ISBN : MINN:30000005901339

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Scientific and Technical Aerospace Reports by Anonim Pdf

Author : John Tien
Publisher : Elsevier
Page : 442 pages
File Size : 44,7 Mb
Release : 2012-12-02
Category : Technology & Engineering
ISBN : 9780323150163

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Alloy And Microstructural Design by John Tien Pdf

Alloy and Microstructural Design serves as a guide in translating theory into design and practice and provides text for an applications courses in physical and mechanical metallurgy. Coverage of the book includes a short history and introduction to metals and alloys; high-strength nonferrous alloys; and methods in strengthening metals for commercial use and high temperatures. The text also discusses the composite strengthening; the properties of composites; creep and stress rupture resistance and other factors related to them; fracture toughness; and mechanical equations of state. The book also covers the resistance of metals and alloys against fatigue, aqueous, stress, and hot corrosion, as well as in oxidation and hydrogen embrittlement. The monograph is recommended for practicing engineers in the field of metallurgy who need an easily understood guide with concise text and tables of handy information. The book will also serve as a good learning material for engineering undergraduates who are studying the strength of materials.

Author : Anonim
Publisher : Unknown
Page : 828 pages
File Size : 48,7 Mb
Release : 1989
Category : Alloys
ISBN : PURD:32754084903214

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Aerospace Structural Metals Handbook by Anonim Pdf

Author : United States. Superintendent of Documents
Publisher : Unknown
Page : 1320 pages
File Size : 40,9 Mb
Release : 1966
Category : Government publications
ISBN : WISC:89035089036

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Monthly Catalog of United States Government Publications by United States. Superintendent of Documents Pdf

Author : United States. Superintendent of Documents
Publisher : Unknown
Page : 1348 pages
File Size : 43,6 Mb
Release : 1970
Category : United States
ISBN : STANFORD:36105019598304

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Monthly Catalog of United States Government Publications, Cumulative Index by United States. Superintendent of Documents Pdf

Author : Anonim
Publisher : Unknown
Page : 1730 pages
File Size : 55,7 Mb
Release : 1970
Category : Government publications
ISBN : UOM:39015022681913

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Monthly Catalogue, United States Public Documents by Anonim Pdf

Author : Robert L. Dreshfield,Richard L. Ashbrook
Publisher : Unknown
Page : 28 pages
File Size : 44,6 Mb
Release : 1974
Category : Gas-turbines
ISBN : UIUC:30112106885913

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Effects of Sigma-phase Formation on Some Mechanical Properties of a Wrought Nickel-base Superalloy (IN-100) by Robert L. Dreshfield,Richard L. Ashbrook Pdf

The effect of sigma phase formation on an extruded and forged nickel base superalloy with the composition of the casting alloy IN-100 was studied. By adding only aluminum and titanium to remelt stock, three compositions were produced which had varying propensities for sigma formation. These compositions were given a four step heat treatment and were stress-ruptured or tensile tested. The very sigma prone composition had a shorter rupture life than the sigma-free or moderately sigma prone compositions when tested at 843 and 885 C. Elongation in room temperature tensile tests was considerably lower for the very sigma prone composition than for the other two wrought compositions after prolonged exposure at 732 or 843 C.

Author : National Research Council of Canada. Division of Mechanical Engineering
Publisher : Unknown
Page : 378 pages
File Size : 45,7 Mb
Release : 1974
Category : Aeronautics
ISBN : UIUC:30112008310465

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Quarterly Bulletin of the Division of Mechanical Engineering and the National Aeronautical Establishment by National Research Council of Canada. Division of Mechanical Engineering Pdf

Author : Anonim
Publisher : Unknown
Page : 220 pages
File Size : 54,7 Mb
Release : 2002
Category : Composite materials
ISBN : UOM:39015047887156

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Advances in Powder Metallurgy & Particulate Materials by Anonim Pdf

Author : Anonim
Publisher : Unknown
Page : 570 pages
File Size : 53,8 Mb
Release : 1970
Category : Cobalt
ISBN : STANFORD:36105211480095

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Cobalt by Anonim Pdf

Author : Joseph R. Davis
Publisher : ASM International
Page : 450 pages
File Size : 53,8 Mb
Release : 2000-01-01
Category : Technology & Engineering
ISBN : 9780871706850

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Nickel, Cobalt, and Their Alloys by Joseph R. Davis Pdf

This book is a comprehensive guide to the compositions, properties, processing, performance, and applications of nickel, cobalt, and their alloys. It includes all of the essential information contained in the ASM Handbook series, as well as new or updated coverage in many areas in the nickel, cobalt, and related industries.