Improved Zirconium Alloys Quarterly Report July 1 1962 September 30 1962

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Improved Zirconium Alloys Quarterly Report July 1 1962 September 30 1962

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Author :
language : en
Publisher:
Release Date : 1962

Improved Zirconium Alloys Quarterly Report July 1 1962 September 30 1962 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with categories.

A number of zirconium ternary alloys have been developed for service in 680 deg F water which meet objectives of corrosion resistance, strength, and hydrogen pickup. Ternary alloys have been developed for service in 750 deg F steam which are superior to Zircaloy-2 regarding corrosion resistance and strength. (R.J.S.).

Improved Zirconium Alloys Quarterly Report April 1 1962 June 30 1962

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language : en
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Release Date : 1962

Improved Zirconium Alloys Quarterly Report April 1 1962 June 30 1962 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with categories.

Corrosion and hydrogen pickup data are available on ternary alloys in 680 deg F water for an exposure time of 4800 hr. 1n general, the longer the time to transition, the lower the post-transition corrosion rate was. Ternary zirconium alloys were exposed to 750 deg F steam for a period of 3000 hr. Weight gain and hydrogen pickup values were.

Specific Zirconium Alloy Design Program Quarterly Progress Report

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language : en
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Release Date : 1963

Specific Zirconium Alloy Design Program Quarterly Progress Report written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Nuclear reactors categories.

Improved Zirconium Alloys Quarterly Report January 1 1962 March 31 1962

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language : en
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Release Date : 1962

Improved Zirconium Alloys Quarterly Report January 1 1962 March 31 1962 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with categories.

Experiments concerned with the development of zirconium-base alloys having corrosion resistance and strength superior to Zircaloy-2 and/or the development of materials of equivalent corrosion resistance but exhibiting enhanced strength are presented. After 3000 hr exposure to 680 deg F water, binary zirconium alloys showed corrosion resistance superior to Zircaloy-2. Alloys considered promising and which offer the highest chance of success are based on the binary compositions Zr--1Cr, Zr--ISb, Zr--O.5Nb, and Zr--O.5Sn with small additions of Te, Ge, Cr, or Fe. Alloys containing relatively high percentages of solute elements did not exhibit satisfactory corrosion properties. Corrosion data on experimental alloys in 750 deg F steam indicate a few highly proising and initially acceptable materials, which are Zr--3Cr --lFe, Zr--3Cr-- 0.25Te, and Zr--lV--lFe. Thus far the corrosion resistance is better than Zircaloy-2 and the higher alloy content indicates enhanced elevated temperature strength. (P.C.H.).

Keywords Index To U S Government Technical Reports

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Author : United States. Department of Commerce. Office of Technical Services
language : en
Publisher:
Release Date : 1962

Keywords Index To U S Government Technical Reports written by United States. Department of Commerce. Office of Technical Services and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with Government publications categories.

Improved Zirconium Alloys Quarterly Report October 1 1962 December 31 1962

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language : en
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Release Date : 1963

Improved Zirconium Alloys Quarterly Report October 1 1962 December 31 1962 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with categories.

A number of ternary compositions were developed for service in 680 deg F water which meet the objectives of a zirconium alloy improvement program on the basis of corrosion resistance, strength, and hydrogen pickup. These are compositions based on Zr-- 1Sb, Zr-- 1Cr, Zr--0.5Nb, and Zr--0.5Sn with minor additions of Te, Ge, Cr, or Fe. In 750 deg F steam, the materials Zr--3Cr-1Fe, Zr--3Cr--0.25Te, and Zr-- 1V--1Fe are initially acceptable on the basis of corrosion resistance and strength; however, hydrogen pickup is excessive. The current work is for the study of ternary alloys which are intended to show an optimum combination of corrosion, strength, and hydrogen-pickup properties. (auth).

Improved Zirconium Alloys Quarterly Report July 1 1961 September 30 1961

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Author :
language : en
Publisher:
Release Date : 1961

Improved Zirconium Alloys Quarterly Report July 1 1961 September 30 1961 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1961 with categories.

Corrosion data for zirconium alloys exposed to 680 deg F water for 336 hr are presented. For this exposure time, all specimens exhibited the desirable tenacious, black oxide coating. Preliminary studies were made of the transformation kinetics of Zr-30 Nb, Zr-30 Nb-1 Mo, and Zr30 Nb-3 Mo alloys. Hot rolling these ingots at 1550 deg F resulted in severe edge cracking and excessive air contamination. Nevertheless, small specimens were betaquenched from 1000 deg C and isothermally transformed at 680 and 750 deg F. Hardness versus transformation time curves did not show the relatively sharp hardness increase which signifies the beginning of beta transformation. Corrosion specimens are being prepared for investigation of the effect of zirconium purity on corrosion resistance. (M.C.G.).

Scientific And Technical Aerospace Reports

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language : en
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Release Date : 1963

Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Aeronautics categories.

Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.

Nuclear Science Abstracts

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language : en
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Release Date : 1964

Nuclear Science Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with Nuclear energy categories.

Reactor Materials

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language : en
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Release Date : 1963

Reactor Materials written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Nuclear reactors categories.