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Heat affected zone cracking in cast inconel 718
Materials Characterization, 1992Abstract Electron beam welding parameters have been shown to influence heat-affected zone (HAZ) microfissuring behavior in cast Inconel 718 (Inconel is a trademark of INCO Alloys). Travel speed was shown to be the most significant factor in influencing HAZ cracking behavior by modifying the thermal gradient(s) and subsequently the stress state in the
Xiao Huang +2 more
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Diagram for the prediction of weld heat-affected zone microstructure
Metals Technology, 1977Abstract The performance of welded joints, both during fabrication and operation, can depend critically upon the microstructure ofthe heat-affected zone, which, in a steel of given composition, is a function of the welding procedure andjoint geometry. The selection of suitable welding conditions which avoid the formation of crack-sensitive structures ...
P. J. Alberry, W. K. C. Jones
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Steel Research International, 2019
The particles and microstructural characteristics in the simulated heat‐affected zone (HAZ) of the Al–Ti deoxidized steel with 0.05% Ce treatment are investigated using in situ, optical, and electron microscopes and an electron backscattered diffraction ...
Yuxin Cao +5 more
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The particles and microstructural characteristics in the simulated heat‐affected zone (HAZ) of the Al–Ti deoxidized steel with 0.05% Ce treatment are investigated using in situ, optical, and electron microscopes and an electron backscattered diffraction ...
Yuxin Cao +5 more
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A review on heat affected zone softening of dual-phase steels during laser welding
Journal of Manufacturing Processes, 2023Muhammad Shehryar Khan +5 more
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Analysis and optimization of the heat affected zone of CFRP by femtosecond laser processing
Optics & Laser Technology, 2023Mei-fang Chen +4 more
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Acoustic emission monitoring and heat-affected zone evaluation of CFRP laser cutting
Composite structures, 2023Long Chen +6 more
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Heat-Affected Zone Hardness Limits for In-Service Welding
2008 7th International Pipeline Conference, Volume 3, 2008Welds made onto in-service pipelines are particularly susceptible to hydrogen cracking. During qualification of welding procedures, limits are often imposed on heat-affected zone hardness (e.g., 350 HV max.) as a way to avoid cracking. The hardness level below which hydrogen cracking does not occur is not a fixed value, but varies as a function of ...
Andrew Carman +2 more
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Corrosion of the heat‐affected zone of stainless steel weldments
Anti-Corrosion Methods and Materials, 2010PurposeThe purpose of this paper is to investigate the corrosion of the heat‐affected zone (HAZ) and weld zone of austenitic stainless steels that have been welded using two different processes. The corrosion behavior is evaluated in synthetic seawater using the electrochemical polarization technique.Design/methodology/approachWelded and unwelded UNS ...
S.N. Santillan +4 more
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Structure of the heat-affected zone in weldments of steel 24Kh2NMFA
Metal Science and Heat Treatment, 19771. With multipass welding of rotor steel 24Kh2NMFA granular bainite is formed in the HAZ. The matrix of the bainite is the α solid solution formed by martensitic kinetics; small areas of granular or elongated form evenly distributed in the matrix consist of martensite and retained austenite. 2.
O. P. Fomina +3 more
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Heat-Affected Zone as Critical Location in Pressure Equipment
2016The majority of pressure equipment is made from joining by welding parts or sub-assemblies. Welded structure should be produced by spending minimum of cost, assuring in the same time required function and safety. By proper selection of welded joint and material, designer determines the properties of final product, and also possibility of its ...
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