International Journal Of Powder Metallurgy V3 Apr 1967 P7 13 Fatigue Properties Of Sintered Iron And Steel
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Method for Determination of Rotating Beam Fatigue Properties of Powder Metallurgy (PM) Materials
Author | : Metal Powder Industries Federation |
Publisher | : |
Total Pages | : 0 |
Release | : 2022 |
Genre | : Metal powder products |
ISBN | : |
Standard 56 (Determination of Rotating Beam Fatigue Properties of Powder Metallurgy (PM) Materials) This method applies to ferrous materials which have an endurance limit. The endurance limit is that stress below which the material will not fail in 107 cycles.
Deformation and Low-cycle Fatigue of Sintered Iron and Steels
Author | : Markus Schneider |
Publisher | : |
Total Pages | : 132 |
Release | : 2013 |
Genre | : Iron |
ISBN | : 9783183751051 |
Thermal and High-strain Fatigue. Proceedings of an International Conference Organized by the Institute of Metals in Association with the Iron and Steel Institute and Held at Church House, London, on 6 and 7 June 1967. [With Illustrations.].
Author | : Institute of Metals (LONDON) |
Publisher | : |
Total Pages | : 435 |
Release | : 1967 |
Genre | : |
ISBN | : |
Fundamentals of Fluid Film Lubrication
Author | : Bernard J. Hamrock |
Publisher | : CRC Press |
Total Pages | : 794 |
Release | : 2004-03-15 |
Genre | : Technology & Engineering |
ISBN | : 1135537755 |
Specifically focusing on fluid film, hydrodynamic, and elastohydrodynamic lubrication, this edition studies the most important principles of fluid film lubrication for the correct design of bearings, gears, and rolling operations, and for the prevention of friction and wear in engineering designs. It explains various theories, procedures, and equations for improved solutions to machining challenges. Providing more than 1120 display equations and an introductory section in each chapter, Fundamentals of Fluid Film Lubrication, Second Edition facilitates the analysis of any machine element that uses fluid film lubrication and strengthens understanding of critical design concepts.
The Fatigue of Powder Metallurgy Alloys
Author | : A. J. McEvily |
Publisher | : |
Total Pages | : 61 |
Release | : 1985 |
Genre | : |
ISBN | : |
One of the important conditions in qualifying high strength powder metallurgy alloys is their resistance to fatigue crack propagation. The results of the present investigation indicate that the fatigue crack propagation resistance of high strength P/M aluminum alloys is equivalent to that of a comparable ingot metallurgy alloy in the near-threshold region. The ingot alloy exhibits a slightly lower crack growth rate in the intermediate region. However the higher strength of the P/M alloys (550 MPa YS, 600 MPa UTS) as compared to the ingot alloy (450 MPa, 550 MPa) results in a reduction of fracture toughness with the result that the crack growth rates at high (Delta) k levels are higher in the P/M alloys. If exactly equivalent tensile properties were present in both P/M and I/M materials perhaps this difference would not occur since nothing characterizable as a defect was found in the P/M alloys. A procedure for the analysis of the growth of short cracks from notches based upon crack closure considerations has also been formulated. Short crack behavior is important in establishing inspection intervals in retirement for cause applications, for example. The rate and extent at which crack closure develops in the wake of a newly formed crack can be used not only in the treatment of short crack behavior, but also to account for the notch size effect in fatigue as well as for fatigue notch sensitivity.