Search Results - "Lashgari, H.R."

Composition dependence of the microstructure and soft magnetic properties of Fe-based amorphous/nanocrystalline alloys: A review study by Lashgari, H.R., Chu, D., Xie, Shishu, Sun, Huande, Ferry, M., Li, S.

“…The intention of the present study is to review and compare the effect of various well-studied alloying elements on the microstructure and soft magnetic…”
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Fitness-for-service assessment and failure analysis of AISI 304 demineralized-water (DM) pipeline weld crack by Zangeneh, Sh, Lashgari, H.R., Sharifi, H.R.

“…[Display omitted] •Fitness-for-service assessment (FFS) using API 579 methodology was used to examine the condition of the crack.•Finite element analysis (FEM)…”
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The effect of strontium on the microstructure and wear properties of A356–10%B4C cast composites by Lashgari, H.R., Sufizadeh, A.R., Emamy, M.

“…The effect of strontium (0.5%) as a modifier on the microstructure and dry sliding wear behaviour of A356-10%B4C particulate metal matrix composite (PMMC) was…”
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Microstructural evolution during isothermal aging and strain-induced transformation followed by isothermal aging in Co-Cr-Mo-C alloy: A comparative study by Lashgari, H.R., Zangeneh, Sh, Hasanabadi, F., Saghafi, M.

“…The present study was undertaken to investigate the effects of isothermal aging (at 850 °C for 4, 8, 16 and 24 h) and strain-induced transformation…”
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Effect of isothermal aging on the microstructural evolution of Co–Cr–Mo–C alloy by Zangeneh, Sh, Lashgari, H.R., Saghafi, M., Karshenas, M.

“…The microstructural evolution of a Co–28Cr–5Mo–0.3C alloy was investigated during isothermal aging at 850 and 950 °C for 4, 8, 16 and 24 h. The most important…”
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Numerical and experimental failure analysis of wind turbine blade fastener by Lashgari, H.R., Zangeneh, Sh

“…[Display omitted] •Root cause failure analysis of studs using experimental and computational methods.•Studs failed due to corrosion-fatigue mechanism.•The…”
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Fitness-for-Service assessment of a Hydrogen-Induced crack in an inlet gas separator pressure vessel using computational modelling by Zangeneh, Sh, Lashgari, H.R.

“…•1- FFS assessment was conducted on a gas separator pressure vessel containing using finite element analysis (FEA)•2- Different load scenarios were considered…”
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Additive manufacturing of bulk metallic glasses: Fundamental principle, current/future developments and applications by Lashgari, H.R., Ferry, M., Li, S.

“…•Review the current development and future prospective of the state-of-the-art additive manufacturing technologies in large scale Bul k Metallic…”
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Heat treatment response of additively manufactured 17-4PH stainless steel by Lashgari, H.R., Adabifiroozjaei, E., Kong, C., Molina-Luna, Leopoldo, Li, S.

“…Unlike conventional 17–4PH stainless steels where thermal treatment (solution annealing + aging) leads to ≈95% martensite and ≈5% retained austenite,…”
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Microstructure, post thermal treatment response, and tribological properties of 3D printed 17-4 PH stainless steel by Lashgari, H.R., Kong, C., Adabifiroozjaei, E., Li, S.

“…The intention of the present study is to investigate the effect of laser energy density on the microstructure, post-heat treatment response, and wear…”
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Microstructural characterization and mechanical properties of additively manufactured 17–4PH stainless steel by Eskandari, H., Lashgari, H.R., Ye, L., Eizadjou, M., Wang, H.

“…The aim of the present study is to carry out a comprehensive microstructural characterization on the Selective Laser Melting (SLM) printed 17–4PH stainless…”
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The effect of long-term service exposure on the stability of carbides in Co–Cr–Ni–W (X-45) superalloy by Zangeneh, Sh, Lashgari, H.R., Asnavandi, M.

“…The present study was conducted to investigate the effect of long-term thermal exposure during service on the microstructure and tensile properties of Co–Cr–W…”
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Microstructure, Tribological Properties and Corrosion Behaviour of Additively Manufactured 17-4PH Stainless Steel: Effects of Scanning Pattern, Build Orientation, and Single vs. Double scan by Lashgari, H.R., Xue, Y., Onggowarsito, C., Kong, C., Li, S.

“…•Weld pool geometry in the hexagon scanning pattern was wider than the concentric scanning pattern.•Remelting reduced porosities and volume fraction of…”
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The effect of friction stir processing (FSP) on the microstructure, nanomechanical and corrosion properties of low carbon CoCr28Mo5 alloy by Lashgari, H.R., Kong, C., Asnavandi, M., Zangeneh, Sh

“…This work is aimed at investigating the effect of the friction surface treatment on the microstructure, nanomechanical, and corrosion properties of the low…”
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Rotary friction welding of additively manufactured 17-4PH stainless steel by Lashgari, H.R., Li, S., Kong, C., Asnavandi, M., Zangeneh, Sh

“…[Display omitted] •Rotary friction welding (RFW) was employed to weld additively manufactured 17-4PH stainless steel.•Dynamic recrystallization caused grain…”
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Determination of residual stress on TIG-treated surface via nanoindentation technique in Co-Cr-Mo-C alloy by Sahami-Nejad, M., Lashgari, H.R., Zangeneh, Sh, Kong, C.

“…The present study was undertaken to determine the amount of residual stress on the surface subjected to Tungsten Inert Gas (TIG) welding process in different…”
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Dry sliding wear characteristics, corrosion behavior, and hot deformation properties of eutectic Al–Si piston alloy containing Ni-rich intermetallic compounds by Mirzaee-Moghadam, M., Lashgari, H.R., Zangeneh, Sh, Rasaee, S., Seyfor, M., Asnavandi, M., Mojtahedi, M.

“…Al–Si eutectic alloys could be an alternative for gray and compacted graphite cast iron engine blocks due to their excellent thermal conductivity, low density…”
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Molecular dynamics simulation of cyclic indentation in Fe-based amorphous alloy by Lashgari, H.R., Tang, C., Chu, D., Li, S.

“…[Display omitted] •Molecular dynamic (MD) simulation was used to study the strain-hardening behaviour in FeSiB-based amorphous alloy.•The formation of…”
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Microstructure and tribological characteristics of aged Co–28Cr–5Mo–0.3C alloy by Zangeneh, Sh, Lashgari, H.R., Roshani, A.

“…► Microstructure and tribological characteristics of Co–Cr–Mo alloy were investigated. ► Lamellar-type carbides in aged sample at lower applied loads improved…”
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Heat treatment effect on the microstructure, tensile properties and dry sliding wear behavior of A356–10%B4C cast composites by Lashgari, H R, Zangeneh, Sh, Shahmir, H, Saghafi, M, Emamy, M

“…An attempt was made to examine the influence of T6 heat treatment (solution treatment at 540 C for 5 h, quenching in hot water and artificial ageing at 170 C…”
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