The Role of Vanadium Carbide Traps in Reducing the Hydrogen Embrittlement Susceptibility of High Strength Alloy Steels PDF Download
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Author: G. Spencer
Publisher:
ISBN:
Category :
Languages : en
Pages : 27
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Book Description
High strength alloy steels typically used for gun steel were investigated to determine their susceptibility to hydrogen embrittlement. Although AISI grade 4340 was quite susceptible to hydrogen embrittlement, ASTM A723 steel, which has identical mechanical properties but slightly different chemistries, was not susceptible to hydrogen embrittlement when exposed to the same conditions. The degree of embrittlement was determined by conducting notched tensile testing on uncharged and cathodically charged specimens. Chemical composition was modified to isolate the effect of alloying elements on hydrogen embrittlement susceptibility. Two steels-Modified A723 (C increased from 0.32% to 0.40%) and Modified 4340 (V increased from 0 to O.12%)-were tested. X-ray diffraction identified the presence of vanadium carbide, V4C3, in A?23 steels, and subsequent hydrogen extraction studies evaluated the trapping effect of vanadium carbide. Based on these tests, it was determined that adding vanadium carbide to 4340 significantly decreased hydrogen embrittlement susceptibility because vanadium carbide traps ties up diffusible hydrogen. The effectiveness of these traps is examined and discussed in this paper.
Author: G. Spencer
Publisher:
ISBN:
Category :
Languages : en
Pages : 27
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Book Description
High strength alloy steels typically used for gun steel were investigated to determine their susceptibility to hydrogen embrittlement. Although AISI grade 4340 was quite susceptible to hydrogen embrittlement, ASTM A723 steel, which has identical mechanical properties but slightly different chemistries, was not susceptible to hydrogen embrittlement when exposed to the same conditions. The degree of embrittlement was determined by conducting notched tensile testing on uncharged and cathodically charged specimens. Chemical composition was modified to isolate the effect of alloying elements on hydrogen embrittlement susceptibility. Two steels-Modified A723 (C increased from 0.32% to 0.40%) and Modified 4340 (V increased from 0 to O.12%)-were tested. X-ray diffraction identified the presence of vanadium carbide, V4C3, in A?23 steels, and subsequent hydrogen extraction studies evaluated the trapping effect of vanadium carbide. Based on these tests, it was determined that adding vanadium carbide to 4340 significantly decreased hydrogen embrittlement susceptibility because vanadium carbide traps ties up diffusible hydrogen. The effectiveness of these traps is examined and discussed in this paper.
Author: Gerald L. Spencer
Publisher:
ISBN:
Category :
Languages : en
Pages : 185
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Book Description
Author:
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 950
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Book Description
Author: The Minerals, Metals & Materials Society
Publisher: Springer Nature
ISBN: 3031225244
Category : Technology & Engineering
Languages : en
Pages : 1349
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Book Description
This collection presents papers from the 152nd Annual Meeting & Exhibition of The Minerals, Metals & Materials Society.
Author: American Vanadium Company
Publisher:
ISBN:
Category : Vanadium steel
Languages : en
Pages : 90
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Book Description
Author: & The Minerals, Metals Materials Society
Publisher: Springer
ISBN: 3030058611
Category : Technology & Engineering
Languages : en
Pages : 1731
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Book Description
This collection features papers presented at the 148th Annual Meeting & Exhibition of The Minerals, Metals & Materials Society.
Author:
Publisher: ASM International
ISBN: 1615038981
Category : Fossil fuel power plants
Languages : en
Pages : 1122
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Book Description
Author:
Publisher:
ISBN:
Category : Metallurgy
Languages : en
Pages : 1076
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Book Description
Author: Richard P Gangloff
Publisher: Elsevier
ISBN: 0857093894
Category : Technology & Engineering
Languages : en
Pages : 864
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Book Description
Many modern energy systems are reliant on the production, transportation, storage, and use of gaseous hydrogen. The safety, durability, performance and economic operation of these systems is challenged by operating-cycle dependent degradation by hydrogen of otherwise high performance materials. This important two-volume work provides a comprehensive and authoritative overview of the latest research into managing hydrogen embrittlement in energy technologies.Volume 1 is divided into three parts, the first of which provides an overview of the hydrogen embrittlement problem in specific technologies including petrochemical refining, automotive hydrogen tanks, nuclear waste disposal and power systems, and H2 storage and distribution facilities. Part two then examines modern methods of characterization and analysis of hydrogen damage and part three focuses on the hydrogen degradation of various alloy classesWith its distinguished editors and international team of expert contributors, Volume 1 of Gaseous hydrogen embrittlement of materials in energy technologies is an invaluable reference tool for engineers, designers, materials scientists, and solid mechanicians working with safety-critical components fabricated from high performance materials required to operate in severe environments based on hydrogen. Impacted technologies include aerospace, petrochemical refining, gas transmission, power generation and transportation. - Summarises the wealth of recent research on understanding and dealing with the safety, durability, performance and economic operation of using gaseous hydrogen at high pressure - Reviews how hydrogen embrittlement affects particular sectors such as the petrochemicals, automotive and nuclear industries - Discusses how hydrogen embrittlement can be characterised and its effects on particular alloy classes
Author: Mahmoud Y. Demeri
Publisher: ASM International
ISBN: 1627080058
Category : Business & Economics
Languages : en
Pages : 312
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Book Description
Examines the types, microstructures and attributes of AHSSAlso reviews the current and future applications, the benefits, trends and environmental and sustainability issues.
