Scientific and Technical Aerospace Reports
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Published: 1970
Total Pages: 1202
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Published: 1970
Total Pages: 1202
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DOWNLOAD EBOOKAuthor: David Keith Matthes
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Published: 1969
Total Pages: 127
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DOWNLOAD EBOOKThe study of mechanical seal interfacial wear was made using dry nitrogen gas as the sealed fluid and both industrially pure nickel and some nickel-chromium alloys were used as seal ring materials. The experimentally produced wear reactions were studied metallurgically using optical and electron microscopy. For optical investigations, each seal ring was cut at an angle of five degrees to the worn surface in order to elongate the wear impressions. Surface replicas and chemically thinned sections were produced for electron microscopic studies. The data gathered for detailed investigation were photomicrographs of selected wear areas. Stereographic pairs of most wear areas were taken to aid in documenting the surface irregularities observed, by producing a three dimensional effect to the viewer. Photomicrographs of the thin films were taken to make possible the study of the sub-structure of the material immediately below the wear track. (Author).
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Published: 1970
Total Pages: 212
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Published: 1971
Total Pages: 892
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Published: 1970-03
Total Pages: 906
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Published: 1970
Total Pages: 1128
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Published: 1970
Total Pages: 172
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Published: 1970
Total Pages: 1296
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Published: 1970
Total Pages: 1144
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DOWNLOAD EBOOKAuthor: University of Tennessee
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Published: 1970
Total Pages: 154
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