Oxidation Behavior Of Binary Niobium Alloys

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Oxidation Behavior Of Binary Niobium Alloys

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Author : Charles A. Barrett
language : en
Publisher:
Release Date : 1960

Oxidation Behavior Of Binary Niobium Alloys written by Charles A. Barrett and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1960 with Binary systems (Metallurgy) categories.

Oxidation And Contamination Reactions Of Niobium And Niobium Alloys

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Author : William D. Klopp
language : en
Publisher:
Release Date : 1959

Oxidation And Contamination Reactions Of Niobium And Niobium Alloys written by William D. Klopp and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1959 with Niobium categories.

The Oxidation And Contamination Of Titanium And Its Alloys

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Author : J. M. Ferguson
language : en
Publisher:
Release Date : 1968

The Oxidation And Contamination Of Titanium And Its Alloys written by J. M. Ferguson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Titanium categories.

Experimental programs concerned with the oxidation of titanium and its alloys are reviewed and results compared with those predicted by theory. Wagner-Hauffe theory is used as the primary basis for comparison, and its inconsistencies are pointed out. Fifteen binary alloy systems involving titanium are covered, as well as a few ternary and commercial alloys. A short section discusses the effects of oxygen or nitrogen contamination on the mechanical properties of titanium and its alloys. (Author).

Studies Of Oxidation Of Niobium Alloys At Very High Temperatures

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Author : Per Kofstad
language : en
Publisher:
Release Date : 1967

Studies Of Oxidation Of Niobium Alloys At Very High Temperatures written by Per Kofstad and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with categories.

Oxidation of binary Hf-Nb alloys with 10-50wt%Nb and a few corresponding alloys with ternary additions of Cr, Ti, V, and W has been studied in the temperature range 800-1300 C. Most of the studies were carried out at 10 torr O2, but the oxidation of one binary alloy (Hf-34wt%Nb) was also studied as a function of oxygen pressure. The major reaction products are HfO2, Nb2O5, and Nb2O5 6HfO2. At and above 10 torr O2 the oxidation of the binary alloys increase with temperature up to 900-1000 C, where the oxidation goes through a maximum and then decreases up to about 1100 C. Above 1100 C the oxidation again increases with temperature. This maximum is interpreted as a result of an interplay between relative rates of formation of HfO2 and Nb2O5 and their subsequent reaction to form Nb2O5 6HfO2. The ternary alloy additions of Cr, Ti, and W did not significantly change the oxidation rates. Catastrophic oxidation was observed for Hf-25w/oNb-52/oV and Hf-20w/oNb-10w/oV alloys above 1000 and 900 C, respectively. The binary Hf-Nb alloys showed poor oxidation resistance, and at 900-1000 C the oxidation is as fast as for unalloyed niobium. (Author).

Studies Of The Oxidation And Contamination Resistance Of Binary Niobium Alloys

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Author : Chester Thomas Sims
language : en
Publisher:
Release Date : 1957

Studies Of The Oxidation And Contamination Resistance Of Binary Niobium Alloys written by Chester Thomas Sims and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1957 with Niobium alloys categories.

Oxidation Behavior And Protective Coatings For Columbium Base Alloys

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Author : William D. Klopp
language : en
Publisher:
Release Date : 1960

Oxidation Behavior And Protective Coatings For Columbium Base Alloys written by William D. Klopp and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1960 with Niobium alloys categories.

Hardness Behavior Of Binary And Ternary Niobium Alloys At 77 And 300 K

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Author : Joseph R. Stephens
language : en
Publisher:
Release Date : 1974

Hardness Behavior Of Binary And Ternary Niobium Alloys At 77 And 300 K written by Joseph R. Stephens and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with Alloys categories.

Dynamic Oxidation Behavior At 10000 And 11000 C Of Four Nickel Base Cast Alloys Nasa Trw Via B 1900 713c And 738x

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Author : William A. Sanders
language : en
Publisher:
Release Date : 1974

Dynamic Oxidation Behavior At 10000 And 11000 C Of Four Nickel Base Cast Alloys Nasa Trw Via B 1900 713c And 738x written by William A. Sanders and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with Gas flow categories.

Oxidation Of Niobium And Niobium Alloys

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Author : Brian Phelps
language : en
Publisher:
Release Date : 1959

Oxidation Of Niobium And Niobium Alloys written by Brian Phelps and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1959 with categories.

Metallurgical Studies Of Niobium Uranium Alloys

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Author : John A. DeMastry
language : en
Publisher:
Release Date : 1959

Metallurgical Studies Of Niobium Uranium Alloys written by John A. DeMastry and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1959 with Niobium alloys categories.

In a continuing program, fabrication characteristics, physical and mechanical properties, and corrosion behavior in air, CO2, NaK, water, and steam were studied for . binary niobium fuel alloys containing 10, 20, 30, 40, 50, and 60 wt.% uranium To evaluate the effects of two major impurities of niobium, oxygen, and zirconium, three niobium base stocks, differing according to the level of these impurities, were used for each alloy. The impurity combinations employed were 600 ppm oxygen and 0.74 wt.% zirconium, 700 ppm oxygen, and 0.17 wt.% zirconium, and 300 ppm oxygen and 0.02 wt.% zirconium, Representative specimens of these alloys retained their hardness up to 900 deg C The 10 and 20 wt.% uraniuin alloys were successfully rorged at 2500 deg F and rolled at 1800 deg F to sheet. Fabrication characteristics of the remaining alloys are under investigation. The 0.2% offset yield strength of the 10 wt.% uranium alloy was 57,200 psi at room temperature and 36,900 psi at 1600 deg F. For the 20 wt.% uranium alloy it was 93,200 psi at room temperature and 71.000 psi at 1600 deg F. The corrosion life of all of the alloys in air at 572 deg F and in CO2 at 600 deg F was superior to that of unalloyed niobium. In 1000- hr exposures to 600 deg F water most of the alloys exhibited corrosion rates only two or three times greater than that of Zircaloy-2. All oi the alloys appear compatible with NaK at 1600 deg F. The impurity combinations employed in the base niobium appeared to have no effect on the corrosion behavior and mechanical properties of the alloys. (auth).