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Relevant bibliographies by topics / %Nb alloy

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Academic literature on the topic '%Nb alloy'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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Journal articles on the topic "%Nb alloy"

1

Murayama, Yonosuke, and Hiroto Shioiri. "Phase Stability and Mechanical Properties of Metastable Ti-X-Sn-Zr (x=Cr, Nb or Fe) Alloys." Materials Science Forum 941 (December 2018): 1228–31. http://dx.doi.org/10.4028/www.scientific.net/msf.941.1228.

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Metastable beta Ti-Cr-Sn-Zr alloys used as biomaterial show low Young’s modulus and super-elasticity according to the phase stability of their beta phase. In this study, we substituted Nb and Fe for Cr in metastable beta Ti-2Cr-6Sn-45Zr alloy and investigated their effect. We investigated how the added amount of Cr, Nb and Fe influences the phase stability and the properties of low Young’s modulus and super-elasticity in Ti-x-Sn-Zr (x=Cr, Nb or Fe) alloys. The Young’s modulus of a Ti-x-Sn-Zr (x=Cr, Nb or Fe) alloy decreases with the addition of Cr, Nb or Fe. However, the Young’s modulus of a T

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2

Yamazaki, Yoshihiro, Takahiro Iida, Yoshiaki Iijima, and Yuh Fukai. "Diffusion of Nb in Nb-H Alloys." Defect and Diffusion Forum 237-240 (April 2005): 346–51. http://dx.doi.org/10.4028/www.scientific.net/ddf.237-240.346.

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Self-diffusion coefficient of 95Nb in NbHx alloys (x=0.05,0.25 and 0.3) has been determined in the temperature range from 823 to 1323 K by using a serial sputter-microsectioning technique. The self-diffusion coefficient of Nb in the NbHx alloys are larger than that in Nb, suggesting that vacancies are formed by hydrogen dissolution, that is, the formation of hydrogen-induced vacancies. The value of the pre-exponential factor for the Nb diffusion in the NbH0.05 alloy is five times larger than that in Nb, while the difference in the activation energies between the NbH0.05 alloy and pure Nb is sm

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3

Lu, Bai Ping, Jun Zhe Zhang, and Yu Feng Fang. "Effects of Nb Element on Mircostructure, Thermal Conductivity and Melting Point of Cu-Ni-Nb Alloy Prepared by Vacuum Arc-Melting." Advanced Materials Research 941-944 (June 2014): 8–12. http://dx.doi.org/10.4028/www.scientific.net/amr.941-944.8.

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Effects of niobium element adding method and addition content on the microstructure, thermal conductivity and melting point of Cu-Ni-Nb alloys prepared by vacuum non-consumable arc-melting were studied. We found that it is difficult to dissolve high melting point element Nb into Cu-Ni alloy by one-step smelting. However, Nb can be dissolved into Cu-Ni alloy in style of Nb-Ni master alloy by two-steps smelting. New phases Ni3Nb and Ni8Nb generate in matrix of Cu-Ni alloy. In addition, the thermal conductivity coefficient of Cu-Ni-Nb alloy increases as increasing the content of Nb, while melting

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4

Ghadyani, Mohammad, Claire Utton, and Panos Tsakiropoulos. "Microstructures and Isothermal Oxidation of the Alumina Scale Forming Nb1.45Si2.7Ti2.25Al3.25Hf0.35 and Nb1.35Si2.3Ti2.3Al3.7Hf0.35 Alloys." Materials 12, no. 5 (2019): 759. http://dx.doi.org/10.3390/ma12050759.

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Coating system(s) will be required for Nb-silicide based alloys. Alumina forming alloys that are chemically compatible with the Nb-silicide based alloy substrate could be components of such systems. The intermetallic alloys Nb1.45Si2.7Ti2.25Al3.25Hf0.35 (MG5) and Nb1.35Si2.3Ti2.3Al3.7Hf0.35 (MG6) were studied in the cast, heat treated and isothermally oxidised conditions at 800 and 1200 °C to find out if they are αAl2O3 scale formers. A (Al/Si)alloy versus Nb/(Ti + Hf)alloy map, which can be considered to be a map for Multi-Principle Element or Complex Concentrated Nb-Ti-Si-Al-Hf alloys, and a

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Ding, Xiao Fei, Yi Tan, Yong Shen, Fu Gang Wang, and Jenn Ming Yang. "High Temperature Oxidation Behavior and Strength of Ti-Al-Nb Ternary Alloys." Key Engineering Materials 297-300 (November 2005): 403–8. http://dx.doi.org/10.4028/www.scientific.net/kem.297-300.403.

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Three types of Ti-Al-Nb ternary alloys are obtained by arc-melting and heat treatment, which are γ-TiAl single phase alloy, γ-TiAl + α2-Ti3Al duplex phase alloy, and γ-TiAl +α2-Ti3Al +Nb2Al multiple phase alloy. The phase stability is studied using optical microscope, X-ray diffractometer and electron probe microanalyzer. The oxidation behavior of three Ti-Al-Nb ternary alloys with different microstructures was investigated at 1273K using interrupted oxidation test in air. The compression test was carried out at 298K-1373K. The oxidation resistance of Ti-Al-Nb ternary alloy at high temperature

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6

Ueda, K., M. Omiya, Y. Hirose та T. Narushima. "Development of α+β-type biomedical Ti–Nb alloys with high oxygen content". MATEC Web of Conferences 321 (2020): 05003. http://dx.doi.org/10.1051/matecconf/202032105003.

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Ti-(5–20)Nb-(0.5–1)O alloys (mass%) were investigated for developing low-cost biomedical α+β-type Ti alloy. Ti-(5, 10, 15, 20)Nb-(0.5, 0.75, 1)O alloys (mass%) were arc-melted and forged into bars. The forged alloy bars were heat-treated at 873 to 1373 K for 3.6 ks in an Ar atmosphere and quenched in iced water. β transus (Tβ) of the Ti-Nb-O alloys decreased with increasing Nb content. An increase in the oxygen content led to an increase in Tβ. After quenching, the formation of α′ martensite was observed in Ti-5Nb-yO alloys. An increase in the Nb content to 10 mass% led to the formation of α′

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7

Li, Sheng, Minshi Wang, Khamis Essa, Chunlei Gan, Chunyan Liu, and Moataz Attallah. "Effect of Stoichiometry on Shape Memory Properties of Ti-Ni-Hf-Cu-Nb Shape Memory Alloys Manufactured by Suspended Droplet Alloying." Solids 3, no. 1 (2022): 1–21. http://dx.doi.org/10.3390/solids3010001.

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A novel Ti-Ni-Hf-Cu-Nb shape memory alloy has been developed by a new combinatorial alloy synthesis method, the Suspended Droplet Alloying. The influence of alloying elements on the transformation temperature, the microstructure and the shape memory effect of this alloy have also been studied. It was found that Cu has a greater negative influence on the transformation temperature of Ti-Ni-Hf-CuX alloys (about −5 K/at.%) than on the Ti-Ni-CuX alloys (−0.67 K/at.%). In addition, the negative effect intensifies with increasing Hf content. The transformation temperature rapidly decreases with incr

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8

Ozerov, Maxim, Vitaly Sokolovsky, Marina Gazizova, et al. "Biocompatibility, Corrosion Resistance, and Wear Resistance of TiNbZr-Based Composites Reinforced with Borides." Metals 15, no. 3 (2025): 240. https://doi.org/10.3390/met15030240.

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TiNbZr-(Ti,Nb)B composites were produced by vacuum arc melting; the weights of TiB2 in the charge mixture were 0.7 wt. % (Alloy A) and 4.0 wt. % (Alloy B). In addition, unreinforced TiNbZr alloy specimens were fabricated without the addition of TiB2. The microstructure of the TiNbZr-(Ti,Nb)B composites consisted of the TiNbZr β matrix and (Ti,Nb)B fibers. The (Ti,Nb)B fibers had a needle-like shape with an average diameter of ~0.4 and ~2.0 µm for Alloys A and B, respectively. The volume fraction of borides was found to be ~2.5 and ~12.4% for Alloys A and B, respectively. The presence of 12.4 v

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Yang, Shui Yuan, Cui Ping Wang, Yu Su, and Xing Jun Liu. "Evolutions of Microstructure and Phase Transformation in Cu-Al-Fe-Nb/Ta High-Temperature Shape Memory Alloys." Materials Science Forum 833 (November 2015): 67–70. http://dx.doi.org/10.4028/www.scientific.net/msf.833.67.

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The evolutions of microstructure and phase transformation behavior of Cu-Al-Fe-Nb/Ta high-temperature shape memory alloys under the quenched and aged states were investigated in this study, including Cu-10wt.% Al-6wt.% Fe, Cu-10wt.% Al-4wt.% Fe-2wt.% Nb and Cu-10wt.% Al-4wt.% Fe-2wt.% Ta three types alloys. The obtained results show that after quenching, Cu-10wt.% Al-6wt.% Fe alloy exhibits two-phase microstructure of β′1 martensite + Fe (Al,Cu) phase; Cu-10wt.% Al-4wt.% Fe-2wt.% Nb alloy also has two-phase microstructure of (β′1 + γ′1 martensites) + Nb (Fe,Al,Cu)2 phase; Cu-10wt.% Al-4wt.% Fe

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Chen, Dezhi, Fangdong Xu, Jingyue Yu, Shu Wang, Qi Wang, and Ruirun Chen. "Study on the silicide phase control and room temperature mechanical properties of Nb-Si-Ti based alloys via B and Mg-microalloying." MATEC Web of Conferences 401 (2024): 03011. http://dx.doi.org/10.1051/matecconf/202440103011.

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The Nb-16Si-20Ti-4Cr-1.5Al-4Hf-4Zr-1Ta-xB (x=0, 2, 4)-yMg (y=0, 0.2, 0.4) alloys were prepared by non-consumable arc melting. The effects of B and Mg addition on the microstructure and room temperature fracture toughness have been investigated. The results reveal that when the content of B element reached 4 at.%, the intermediate metastable phase Nb3Si was precipitated in Nb-Si based alloys. The cooperation of B and Mg synergistically enhances the room temperature fracture toughness of Nb-Si based alloy. B and Mg element causes the eutectic point of Nb-Si based alloy to shift to the right. The

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Dissertations / Theses on the topic "%Nb alloy"

1

Botta, Filho W. J. "Mechanical properties of Nb-N, Nb-Zr and Nb-ZrOsub(2) single crystals." Thesis, University of Oxford, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.355724.

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Zhuravleva, Ksenia. "Porous ß-type Ti-Nb alloy for biomedical applications." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-147426.

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One of the most important factors for a successful performance of a load-bearing implant for hard tissue replacement is its mechanical compatibility with human bone. That implies that the stiffness should be close to that of a bone and the strength of the implant material must be high enough to bear the load applied under physiological conditions. The Young´s modulus of most of the commonly used biomedical alloys is larger than that of a human bone (around 100 GPa for cp Ti, 112 GPa for Ti-6Al-4V versus 10-30 GPa for cortical human bone). A stiffness reduction of Ti alloys can be achieved by t

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Almasi-Kashi, Mohammad. "A magnetic and structural investigation of CoCrPt, Nb alloy thin films." Thesis, University of Salford, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.248913.

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Abdelkader, Amr. "Aspects of the electro-deoxidative preparation of Nb-9Hf-1Ti alloy." Thesis, University of Cambridge, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.609598.

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5

Yang, Sen-Shan. "Phase Transformations and Mechanical Behavior of Ternary Nb-15Al- 25Ti Alloy /." The Ohio State University, 1995. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487931512620813.

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6

Kakarlapudi, Purushotham Raju. "High temperature oxidation response of Nb-20W-10Cr alloy in air." To access this resource online via ProQuest Dissertations and Theses @ UTEP, 2008. http://0-proquest.umi.com.lib.utep.edu/login?COPT=REJTPTU0YmImSU5UPTAmVkVSPTI=&clientId=2515.

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7

Ventura, Julieta Angelica. "High temperature oxidation behavior of Nb-20Mo-15Si-5B-20Cr alloy." To access this resource online via ProQuest Dissertations and Theses @ UTEP, 2009. http://0-proquest.umi.com.lib.utep.edu/login?COPT=REJTPTU0YmImSU5UPTAmVkVSPTI=&clientId=2515.

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8

Aleixo, Giorgia Taiacol. "Estabilidade e metaestabilidade de fases em ligas Ti-Nb." [s.n.], 2006. http://repositorio.unicamp.br/jspui/handle/REPOSIP/263173.

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Orientadores: Rubens Caram Junior, Conrado Ramos Moreira Afonso<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecanica<br>Made available in DSpace on 2018-08-06T17:14:04Z (GMT). No. of bitstreams: 1 Aleixo_GiorgiaTaiacol_M.pdf: 13698827 bytes, checksum: 10117398b384c5a1eda6c62fbfc74507 (MD5) Previous issue date: 2006<br>Resumo: Ligas de titânio formam a classe mais versátil de materiais metálicos utilizados para aplicações biomédicas. As ligas de Ti tipo ß usadas em dispositivos ortopédicos envolve, além de excelentes propriedades como baixa densidade

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Embong, Zaidi. "A spectroscopic study of the oxidation of uranium and its alloy U-6%Nb." Thesis, University of Bristol, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.443670.

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Rios, Orlando. "Examination of the high temperature equilibrium in the Ti-Al-Nb ternary alloy system." [Gainesville, Fla.] : University of Florida, 2009. http://purl.fcla.edu/fcla/etd/UFE0024932.

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Books on the topic "%Nb alloy"

1

Khatamian, D. Hydrogen traps in the oxide/alloy interface region of Zr-Nb alloys. Reactor Materials Research Branch, Chalk River Laboratories, 1995.

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2

United States. Office of the Assistant Secretary for Nuclear Energy. Deputy Assistant Secretary for Reactor Systems Development and Technology. and United States. National Aeronautics and Space Administration., eds. Long-time creep behavior of Nb-1Zr alloy containing carbon. U.S. Dept. of Energy, Nuclear Energy, Reactor Systems Development and Technology, 1987.

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United States. Office of the Assistant Secretary for Nuclear Energy. Deputy Assistant Secretary for Reactor Systems Development and Technology. and United States. National Aeronautics and Space Administration., eds. Long-time creep behavior of Nb-1Zr alloy containing carbon. U.S. Dept. of Energy, Nuclear Energy, Reactor Systems Development and Technology, 1987.

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4

United States. Office of the Assistant Secretary for Nuclear Energy. Deputy Assistant Secretary for Reactor Systems Development and Technology. and United States. National Aeronautics and Space Administration., eds. Long-time creep behavior of Nb-1Zr alloy containing carbon. U.S. Dept. of Energy, Nuclear Energy, Reactor Systems Development and Technology, 1987.

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5

Saibaba, N. Microstructural studies of heat treated Zr-2.5 Nb alloy for pressure tube applications. Bhabha Atomic Research Centre, 2010.

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6

Ellis, David L. Effect of hydrogen exposure on a Cu-8 Cr-4 Nb alloy. National Aeronautics and Space Administration, 1993.

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7

L, Ellis D. A new Cu-8 Cr-4 Nb alloy for high temperature applications. National Aeronautics and Space Administration, 1995.

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L, Ellis D. A new Cu-8 Cr-4 Nb alloy for high temperature applications. National Aeronautics and Space Administration, 1995.

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9

L, Ellis D. A new Cu-8 Cr-4 Nb alloy for high temperature applications. National Aeronautics and Space Administration, 1995.

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L, Ellis D. A new Cu-8 Cr-4 Nb alloy for high temperature applications. National Aeronautics and Space Administration, 1995.

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Book chapters on the topic "%Nb alloy"

1

Takedal, M., G. Tendeloo, and S. Amelinckx. "New antiphase superstructures in Nb-Ga binary system." In Alloy Phase Stability. Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-0915-1_11.

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2

Sun, Wei. "Decomposition of a Biocompatible Zr-Ta-Nb Alloy." In Materials Science Forum. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-462-6.1525.

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3

Kawazoe, Yoshiyuki, Ursula Carow-Watamura, and Dmitri V. Louzguine. "Thermal properties of Cu-Nb-Ni-Zr alloy." In Phase Diagrams and Physical Properties of Nonequilibrium Alloys. Springer Berlin Heidelberg, 2019. http://dx.doi.org/10.1007/978-3-662-57920-6_39.

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Kawazoe, Yoshiyuki, Ursula Carow-Watamura, and Dmitri V. Louzguine. "Thermal properties of Fe-Nb-Ni-Zr alloy." In Phase Diagrams and Physical Properties of Nonequilibrium Alloys. Springer Berlin Heidelberg, 2019. http://dx.doi.org/10.1007/978-3-662-57920-6_53.

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Kawazoe, Yoshiyuki, Ursula Carow-Watamura, and Dmitri V. Louzguine. "Mechanical properties of In-Nb-Ta-Ti alloy." In Phase Diagrams and Physical Properties of Nonequilibrium Alloys. Springer Berlin Heidelberg, 2019. http://dx.doi.org/10.1007/978-3-662-57920-6_58.

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Kawazoe, Yoshiyuki, Ursula Carow-Watamura, and Dmitri V. Louzguine. "Thermal properties of Mo-Nb-Ni-Zr alloy." In Phase Diagrams and Physical Properties of Nonequilibrium Alloys. Springer Berlin Heidelberg, 2019. http://dx.doi.org/10.1007/978-3-662-57920-6_64.

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Kawazoe, Yoshiyuki, Ursula Carow-Watamura, and Dmitri V. Louzguine. "Thermal properties of Nb-Ni-Si-Zr alloy." In Phase Diagrams and Physical Properties of Nonequilibrium Alloys. Springer Berlin Heidelberg, 2019. http://dx.doi.org/10.1007/978-3-662-57920-6_67.

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8

Kawazoe, Yoshiyuki, Ursula Carow-Watamura, and Dmitri V. Louzguine. "Thermal properties of Nb-Ni-Sn-Zr alloy." In Phase Diagrams and Physical Properties of Nonequilibrium Alloys. Springer Berlin Heidelberg, 2019. http://dx.doi.org/10.1007/978-3-662-57920-6_69.

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Kawazoe, Yoshiyuki, Ursula Carow-Watamura, and Dmitri V. Louzguine. "Corrosion properties of Nb-Ni-Ta-Ti alloy." In Phase Diagrams and Physical Properties of Nonequilibrium Alloys. Springer Berlin Heidelberg, 2019. http://dx.doi.org/10.1007/978-3-662-57920-6_70.

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Kawazoe, Yoshiyuki, Ursula Carow-Watamura, and Dmitri V. Louzguine. "Thermal properties of Nb-Ni-V-Zr alloy." In Phase Diagrams and Physical Properties of Nonequilibrium Alloys. Springer Berlin Heidelberg, 2019. http://dx.doi.org/10.1007/978-3-662-57920-6_73.

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Conference papers on the topic "%Nb alloy"

1

Chiang, K. T., and Lietai Yang. "Monitoring Corrosion Behavior of a Cu-Cr-Nb Alloy by Multielectrode Sensors." In CORROSION 2006. NACE International, 2006. https://doi.org/10.5006/c2006-06676.

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Abstract A coupled multielectrode sensor of a Cu-Cr-Nb alloy was fabricated to test the corrosion behavior of this material in dry air, wet air and immersion in a 0.5 M NaCl solution. The maximum localized corrosion rates for the Cu-Cr-Nb probe were &lt;0.4 μm/yr (the lower detection limit of the instruments) in dry air, 50 μm/yr in humid air (~80% relative humidity), and 90 μm/yr in 0.5 M NaCl solution. The corrosion characteristics of the Cu-Cr-Nb alloy were compared with those of an electrolytical copper (CDA 110 alloy) when immersed in 0.5 M solution of NaCl over a period of one month.

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2

Wang, Wei, Maryam Golozar, and Akram Alfantazi. "Electrochemical Study of Nb-10Ta-1Re and Ti-6Al-4v Alloys for Dental Implant Applications." In CORROSION 2016. NACE International, 2016. https://doi.org/10.5006/c2016-07272.

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Abstract Dental implants are exposed to a wide range of pH values of saliva and different concentrations of fluoride. In order to prevent plaque and caries formation, prophylactic products have been used more commonly for dental treatments. These products contain different concentrations of fluoride, for example; bucal rinses, toothpastes and gels contain 200ppm, 1000-1500 ppm and 10000-20000 ppm of fluoride respectively with the pH varying from acidic values to neutral ones. In this study, the effects of fluoride concentration and pH value on the corrosion behavior of Nb-10Ta-1Re and Ti-6Al-4

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3

Nishikawa, Yoshito, and Nobuo Totsuka. "Influence of Minor Elements on Primary Water Stress Corrosion Cracking of Alloy 600." In CORROSION 2005. NACE International, 2005. https://doi.org/10.5006/c2005-05594.

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Abstract Influence of minor elements, such as titanium (Ti) and niobium (Nb), on primary water stress corrosion cracking (PWSCC) of Alloy 600 was studied at temperatures ranging from 330 to 360 °C, using slow strain rate technique (SSRT) and constant load test, to clarify the PWSCC behavior of Alloy 600 weld metals. Results reveal that anomalous fracture is observed and failure occurs more quickly at lower temperature, in the case of material containing Ti and/or Nb, and the apparent activation energy increases together with the Nb content of the material. From this result, it can be inferred

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4

Yao, Matthew, and Rachel Collier. "Improved Corrosion and Wear Resistance of a Niobium Alloyed Co-Cr-Mo Alloy." In CORROSION 2015. NACE International, 2015. https://doi.org/10.5006/c2015-05960.

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Abstract Co-Cr-W alloys, such as UNS R30006, have long been served in various industries for high-temperature corrosion and wear applications. The Co-Cr-Mo alloys have also been developed to meet the market requirements for improved corrosion resistance with similar wear resistance as of Co-Cr-W alloys, especially for oil and gas, and power generation industries. The corrosion and wear resistance of a niobium (Nb) alloyed Co-based Co-Cr-Mo alloy (Co24Cr12Mo2Nb) is studied in this work. In addition, alloys UNS R30006 and UNS R30021 are tested for comparison. According to ASTM G59, potentiodynam

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Kim, Heesan, and Yong-Deuk Lee. "Effect of Micro-Alloy Elements (Ti, Nb, Al and Ca) on Corrosion Resistance of 26% Cr -2% Mo Stainless Steel in Chloride Solutions." In CORROSION 1999. NACE International, 1999. https://doi.org/10.5006/c1999-99309.

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Abstract Ferritic stainless steels have higher corrosion and stress corrosion cracking resistance in chloride environments than austenitic stainless steels. The production cost of ferritic stainless steels is lower than austenitic stainless steels. However, the application of highly alloyed ferritic stainless steels is limited due to low toughness and intergranular corrosion attack. Corrosion resistance of 26%Cr-2%Mo ferritic steels was evaluated using polarization test in 20% NaCl solution and the ferric chloride test. In addition, TEM and SEM were employed to analyze the secondary phases aro

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Otsuka, N., Y. Nishiyama, S. Hayashi, Y. Matsuda, K. Fujita, and S. Taniguchi. "Laboratory and Field Corrosion Tests of Ni-Cr-Mo-Nb Coated T22 Steel in Waste Incinerator Corrosion Environments." In CORROSION 2002. NACE International, 2002. https://doi.org/10.5006/c2002-02389.

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Abstract Corrosion resistance of surface-modified T22 steel intended for use as superheater tubes in waste incinerators was examined by laboratory and field corrosion tests. An alloy of 40%Ni-30%Cr- 20%Mo-10%Nb (wt.%, referred to alloy 4321) was used as a coating and applied to T22 steel by either HVOF metal spray or weld overlay. A thin film of alloy 4321 approximately 10pm thick, generated by unbalanced-magnetron (UBM) sputtering of target metals and subsequently ion-plated on either a metal spray or weld overlay coating of alloy 625 was prepared and tested as well. According to a laboratory

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Torii, Y., K. Shimogori, K. Kitahata, T. Hosoda, and T. Yokoi. "Effects of Fine Carbo-Nitride Precipitates on SSC Resistance of High-Strength Low-Alloy Steels." In CORROSION 1985. NACE International, 1985. https://doi.org/10.5006/c1985-85221.

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Abstract The effects on SSC of the addition of Nb and Ti to high-strength low-alloy steels have been studied to develop API-grade L80, C90 and C95 steels for sour gas services. The susceptibility of steel to SSC evaluated primarily in NACE solution decreased remarkably with the precipitation of fine carbo-nitrides of these elements. It was considered that the carbo-nitrides of Nb and/or Ti suppressed the growth of austenite grains to form homogeneous fine-tempered martensite, and the formation of hydrogen aggregates to prevent hydrogen embrittlement.

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8

Liang, Zhi, Menglei Jiang, Jiadong Gong, and Greg B. Olson. "Innovative Design of Advanced Niobium-Based Alloys for Extreme High-Temperature Applications." In AM-EPRI 2024. ASM International, 2024. http://dx.doi.org/10.31399/asm.cp.am-epri-2024p0592.

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Abstract The aspiration to deploy Nb-based alloys as viable upgrade for Ni-based superalloys is rooted in their potential for superior performance in high-temperature applications, such as rocket nozzles and next-generation turbines. However, realizing this goal requires overcoming formidable design hurdles, including achieving high specific strength, creep resistance, fatigue, and oxidation resistance at elevated temperatures, while preserving ductility at lower temperatures. Additionally, the requisite for alloy bond-coatings, to ensure compatibility with coating materials, further complicat

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Echaniz, G., C. Morales, and T. Pérez. "The Effect of Microstructure on the KISSC Low Alloy Carbon Steels." In CORROSION 1998. NACE International, 1998. https://doi.org/10.5006/c1998-98120.

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Abstract In this work, the effect of microstructure of low alloy carbon steels on the resistance to sulfide stress cracking (SSC) was analyzed. Several modified AISI 4130 steels (most of them microalloyed with V, Nb, Ti or B) were heat treated so different yield strengths and microstructures were obtained. The SSC performance was evaluated using Double-Cantilever-Beam Test (Method D NACE TM0177-96). According with their microstructure, the materials can be divided in three different types: materials that presented some percentage of upper bainite in their microstructure (composed of laths of a

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Vogt, Helen, and Markus O. Speidel. "Effect of Temperature on Crack Growth Rates of Stress Corrosion Cracks in Metal Alloys Exposed to Water." In CORROSION 1996. NACE International, 1996. https://doi.org/10.5006/c1996-96265.

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Abstract The effect of temperature on stress corrosion crack growth rates was studied using four commercial alloys: An Al-Mg-Zn alloy (7000-Series), an Al-Cu alloy (2000-Series), a Mg-rare earth alloy and a Zr 2.5% Nb alloy. Stress Corrosion crack growth rate data were obtained using fracture mechanic specimens which were tested in high purity water in the temperature range of -10°C to 320°C, depending on the alloy. Attention was directed towards region II behaviour, where the crack propagation rate is independent of stress intensity but sensitive to test temperature. The experimental activati

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Reports on the topic "%Nb alloy"

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Liu, C. T., P. F. Tortorelli, J. A. Horton, D. S. Easton, and L. Heatherly. Cr{sub 2}Nb-based alloy development. Office of Scientific and Technical Information (OSTI), 1996. http://dx.doi.org/10.2172/450760.

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Liu, C. T., P. F. Tortorelli, and J. A. Horton. Cr{sub 2}Nb-based alloy development. Office of Scientific and Technical Information (OSTI), 1995. http://dx.doi.org/10.2172/115404.

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Sikka, V. K., and E. A. Loria. Characteristics of a multicomponent Nb-Ti-Al alloy via industrial-scale practice. Office of Scientific and Technical Information (OSTI), 1997. http://dx.doi.org/10.2172/474923.

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Author, Not Given. Nb{sub 3}Sn conductors reinforced with dispersion-hardened copper (DHC) alloy. Office of Scientific and Technical Information (OSTI), 1994. http://dx.doi.org/10.2172/426086.

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Hsiung, L., and J. Zhou. Spinodal Decomposition and Order-Disorder Transformation in a Water-Quenched U-6wt%Nb Alloy. Office of Scientific and Technical Information (OSTI), 2006. http://dx.doi.org/10.2172/900131.

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Pantsyrnyi, V. I., A. K. Shikov, A. D. Nikulin, et al. Development of Cu-Nb alloy microcomposite conductors for high field pulsed magnets. Final report. Office of Scientific and Technical Information (OSTI), 1995. http://dx.doi.org/10.2172/464313.

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Ward, Logan Timothy, and Robert Errol Hackenberg. Efficient Workflows for Curation of Heterogeneous Data Supporting Modeling of U-Nb Alloy Aging. Office of Scientific and Technical Information (OSTI), 2016. http://dx.doi.org/10.2172/1324576.

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Yang, Shizhong. An Integrated Study of a Novel Thermal Coating for Nb-Based High Temperature Alloy. Office of Scientific and Technical Information (OSTI), 2015. http://dx.doi.org/10.2172/1182542.

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Hsiung, L., and J. Zhou. Low-Temperature Aging Kinetics of a 15-Year Old Water-Quenched U-6wt.% Nb Alloy. Office of Scientific and Technical Information (OSTI), 2007. http://dx.doi.org/10.2172/923111.

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Hsiung, L., and J. Zhou. Microstructure and Mechanical Instability of Water-Quenched U-6wt% Nb Alloy Affected by Long-Term Aging. Office of Scientific and Technical Information (OSTI), 2005. http://dx.doi.org/10.2172/889977.

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