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| 01939cam 2200325za 4500 |
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| 001 | 9.841163 |
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| 003 | CaOODSP |
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| 005 | 20221107152024 |
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| 007 | cr ||||||||||| |
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| 008 | 170808s1965 oncd ob f000 0 eng d |
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| 040 | |aCaOODSP|beng |
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| 041 | |aeng|bfre |
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| 043 | |an-cn--- |
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| 086 | 1 |aM34-20/72E-PDF |
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| 100 | 1 |aMcDonald, R. D. |
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| 245 | 14|aThe status of the hydrogen problem in steel |h[electronic resource] / |cby R.D. McDonald. |
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| 260 | |a[Ottawa : |bQueen's Printer, |c1965] |
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| 300 | |aiii, 12 p. : |bcharts |
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| 490 | 1 |aTechnical bulletin ; |vTB 72 |
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| 500 | |aCaption title. |
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| 500 | |aImperfect copy: cover wanting. |
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| 500 | |aDigitized edition from print [produced by Natural Resources Canada]. |
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| 504 | |aIncludes bibliographical references (p. 8-9). |
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| 520 | 3 |a“Hydrogen problems in steel are described, with particular emphasis on the problem of embrittlement of ultra-high strength steels as manifested by delayed failure. Ways are described in which hydrogen enters steel and is recognized by tests. Theories that have been developed over the years of research are related and explained briefly in order of sequence up to the most recent proposals advanced. These theories serve to explain many of the observations concerning hydrogen, although gaps in the knowledge still exist. Alleviation of embrittlement still depends heavily upon diffusion treatments at baking temperatures, although many ways of preventing entry of hydrogen are being tried with moderate success"--Abstract, p. i. |
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| 546 | |aIncludes abstract in French. |
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| 692 | 07|2gccst|aSteel |
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| 710 | 1 |aCanada. |bNatural Resources Canada. |
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| 710 | 1 |aCanada. |bMines Branch. |
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| 830 | #0|aTechnical bulletin (Canada. Dept. of Energy, Mines and Resources. Mines Branch)|vTB 72|w(CaOODSP)9.834857 |
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| 856 | 40|qPDF|s220 KB|uhttps://publications.gc.ca/collections/collection_2017/rncan-nrcan/M34-20/M34-20-72-eng.pdf |
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