Review of Recent Developments in the Technology of Nickel-base and Cobalt-base Alloys

Review of Recent Developments in the Technology of Nickel-base and Cobalt-base Alloys
Title Review of Recent Developments in the Technology of Nickel-base and Cobalt-base Alloys PDF eBook
Author D. A. Roberts
Publisher
Pages 24
Release 1961
Genre Cobalt alloys
ISBN

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Index to DMIC Reports and Memoranda

Index to DMIC Reports and Memoranda
Title Index to DMIC Reports and Memoranda PDF eBook
Author Battelle Memorial Institute. Defense Metals Information Center
Publisher
Pages 38
Release 1968
Genre Alloys
ISBN

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Investigation of Delayed-cracking Phenomenon in Hydrogenated Unalloyed Titanium

Investigation of Delayed-cracking Phenomenon in Hydrogenated Unalloyed Titanium
Title Investigation of Delayed-cracking Phenomenon in Hydrogenated Unalloyed Titanium PDF eBook
Author R. A. Wood
Publisher
Pages 22
Release 1961
Genre Titanium
ISBN

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Three grades of unalloyed titanium were studied to determine the effect of variations in O and N contents on delayed cracking. The bar stock was analyzed for interstitial content, then vacuum annealed to remove most of the H. Large samples of the 1/2-in.-diam vaccum-annealed stock were subsequently hydrogenated to about 90 and 160 ppm H levels. Hydrogen-induced strainaging embrittlement at ambient temperatures in interstitial-containing alphi Ti was not indicated by the results of stress-rupture tests. The results indicate that strain-aging embrittlement does not occur in unalloyed Ti having up to 0.38 wt-% O with as much as 160 ppm H content. However, a noticable effect of H on notch sensitivity of the materials, in the alpha-annealed and especially in the beta-annealed conditions, was observed. It appears probable that H was concentrated in the critical areas by a thermaldiffusion process to create an ultrasensitive zone. Failure might have occurred subsequently as a result of simple overstressing, or by accidentally applied impact stresses, or by a more complicated low-cycle fatigue mechanism. (Author).

Technical Abstract Bulletin

Technical Abstract Bulletin
Title Technical Abstract Bulletin PDF eBook
Author Defense Documentation Center (U.S.)
Publisher
Pages 784
Release 1967
Genre Science
ISBN

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A Comparison of the Brittle Behavior of Metallic and Nonmetallic Materials

A Comparison of the Brittle Behavior of Metallic and Nonmetallic Materials
Title A Comparison of the Brittle Behavior of Metallic and Nonmetallic Materials PDF eBook
Author George T. Hahn
Publisher
Pages 38
Release 1961
Genre Brittleness
ISBN

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Summary of the Second and Third Technical Briefings on Refractory Metal Alloy Structural Fasteners

Summary of the Second and Third Technical Briefings on Refractory Metal Alloy Structural Fasteners
Title Summary of the Second and Third Technical Briefings on Refractory Metal Alloy Structural Fasteners PDF eBook
Author W. S. Hyler
Publisher
Pages 36
Release 1962
Genre Heat resistant alloys
ISBN

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The Emittance of Iron, Nickel, and Cobalt and Their Alloys

The Emittance of Iron, Nickel, and Cobalt and Their Alloys
Title The Emittance of Iron, Nickel, and Cobalt and Their Alloys PDF eBook
Author W. D. Wood
Publisher
Pages 86
Release 1961
Genre Cobalt alloys
ISBN

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