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Cr-Mo-V steel

Effects of flow forming parameters on dimensional accuracy in Cr-Mo-V steel tubes

Effects of flow forming parameters on dimensional accuracy in Cr-Mo-V steel tubes

... in Cr-Mo-V steel, which is used in aerospace ...applications. Cr-Mo-V steel was flow formed in the annealed and the hardened and tempered conditions to assess the ...

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Behaviour of 15kh2mfa rpv steel under high neutron fluences

Behaviour of 15kh2mfa rpv steel under high neutron fluences

... Evaluation of results from testing RPV surveillance specimens of WWER-440/V-213C type from 15Kh2MFAA (Cr-Mo-V) steel and weld metal irradiated to very high fluencies – up to 1.5x10 25 m ...

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Solidification Microstructures and Quench/Temper Hardness of Tantalum Added High Carbon High Speed Steel Type Cast Alloy

Solidification Microstructures and Quench/Temper Hardness of Tantalum Added High Carbon High Speed Steel Type Cast Alloy

... in V, Cr, and Mo concentration during solidification (as shown in ...of Cr and Mo were approximately ...of V and to raise those of Cr and Mo during £ + MC eutectic ...

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High temperature and ion implantation-induced phase transformations in novel reduced activation Si-Fe-V-Cr (-Mo) high entropy alloys

High temperature and ion implantation-induced phase transformations in novel reduced activation Si-Fe-V-Cr (-Mo) high entropy alloys

... stainless steel and 9–12%Cr ferritic/martensitic (BCC) steels, the void swelling rate per displacements per atom (dpa) was approximately 50 times higher for the FCC stainless steel compared to BCC ...

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Characterisation of precipitation and carbide coarsening in low carbon low alloy Q&T steels during the early stages of tempering

Characterisation of precipitation and carbide coarsening in low carbon low alloy Q&T steels during the early stages of tempering

... Base-Mo-V steel is much lower than that in the Base steel due to its higher content of alloying elements (Mo and ...Normally, Mo has a smaller diffusivity compared to Mn in the ...

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Osteocompatibility of Stainless Steel, Co  Cr  Mo, Ti  6Al  4V and Ti  15Zr  4Nb  4Ta Alloy Implants in Rat Bone Tissue

Osteocompatibility of Stainless Steel, Co Cr Mo, Ti 6Al 4V and Ti 15Zr 4Nb 4Ta Alloy Implants in Rat Bone Tissue

... stainless steel implant was relatively high, and it rapidly increased up to 12 weeks after implantation and then decreased ...stainless steel implant increased up to 6 weeks after implantation and then ...

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Microstructure of Cr V Mo Steel Processed by Recrystallization and Partial Melting and Its Effect on Mechanical Properties

Microstructure of Cr V Mo Steel Processed by Recrystallization and Partial Melting and Its Effect on Mechanical Properties

... Cr­V­Mo steel were attributed to the coarse inhomoge- neous microstructure of ...tool steel manufacturing based on RAP technology was verified ...Cr­ V ­ Mo steel were inferior to those ...

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Recrystallization-based formation of uniform fine-grained austenite structure before polymorphic transition in high-strength steels for Arctic applications

Recrystallization-based formation of uniform fine-grained austenite structure before polymorphic transition in high-strength steels for Arctic applications

... Simultaneously high levels of strength and cold resistance are commonly obtained in shipbuilding steels by alloying with elements such as Ni, Mo, Cr, Cu, Nb, Ti, and V which add considerably to the ...

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Thermoreflectance of V, Nb, and paramagnetic Cr

Thermoreflectance of V, Nb, and paramagnetic Cr

... of V, Nb, and Cr films were performed near 80 and 340 K to investigate the electronic properties of these ...of Mo and with static measurements of the optical reflectance of the bcc ...

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Interdiffusion of Refractory Elements in Fe Cr X (X Mo, W) and Fe Mo W Ternary Iron Alloys

Interdiffusion of Refractory Elements in Fe Cr X (X Mo, W) and Fe Mo W Ternary Iron Alloys

... than Mo. However, it is stressed here that Mo is effective to lowering the interdiffusivity between Fe and Cr in addition to Mo diffusivity ...that Mo suppresses the microstructural ...

5

Alloying Effect of Chromium on the Corrosion Behavior of Low Alloy Steels

Alloying Effect of Chromium on the Corrosion Behavior of Low Alloy Steels

... Nyquist plots for the specimens in acid­chloride solution (200 ppm Cl ¹ , pH 4) at various immersion intervals under OCP are presented in Fig. 4. The impedance spectra of the steels showed a very small semicircle in the ...

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Effect of Repeated Tempering on Abrasive Wear Behavior of Hypoeutectic 16 mass% Cr Cast Iron with Molybdenum

Effect of Repeated Tempering on Abrasive Wear Behavior of Hypoeutectic 16 mass% Cr Cast Iron with Molybdenum

... The worn surfaces of 3% Mo specimens with different heat treatment were observed by SEM and typical microphoto- graphs are shown in Fig. 12. On the worn surface, many wear tracks to the same direction of the wear ...

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Kinetics of O2 Reduction on Oxide-covered Ni-Cr-Mo Alloys

Kinetics of O2 Reduction on Oxide-covered Ni-Cr-Mo Alloys

... role Mo plays in passive corrosion behaviour remains an area of ...the Mo content and the passive corrosion rate for Ni-Cr-Mo alloys is not obvious [4, ...that Mo(IV) replaces ...

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Epitaxial growth of ultrathin Cr films on Mo (110) at elevated temperature

Epitaxial growth of ultrathin Cr films on Mo (110) at elevated temperature

... The morphology and density of the islands is affected by the substrate step orientation and density. This is illustrated in Fig. 4共c兲, which shows a 4.6 ML film deposited on a region of the Mo 共 110 兲 surface that ...

7

SURFACE HARDNESS BEHAVIOUR OF HEAT TREATED Ni-Cr-Mo ALLOYS

SURFACE HARDNESS BEHAVIOUR OF HEAT TREATED Ni-Cr-Mo ALLOYS

... in steel has a pronounced effect on the properties of steel and on the selection of suitable heat treatments to attain certain desired ...alloy steel is found a maximum of ...

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Significant Improvement in Mechanical Properties of Biomedical Co Cr Mo Alloys with Combination of N Addition and Cr Enrichment

Significant Improvement in Mechanical Properties of Biomedical Co Cr Mo Alloys with Combination of N Addition and Cr Enrichment

... increasing Cr and N content in the alloy; the 34Cr alloy containing ...to Cr and N additions, further study on the precise dislocation mechanisms oper- ative in N added Co-Cr-Mo alloys is ...

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Corrosion process development of a Ni-Cr-Mo alloy used in dental prosthesis

Corrosion process development of a Ni-Cr-Mo alloy used in dental prosthesis

... Nb, Mo and W harden the alloy forming a solid solution. Mo and W form carbides which increase the hardness; Al, Mo, Ti, W and Ta form intermetallic phases and harden the alloy by forming precipitates ...

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Effects of Fe, W and Mo on Kinetics of Discontinuous Precipitation in the Ni Cr System

Effects of Fe, W and Mo on Kinetics of Discontinuous Precipitation in the Ni Cr System

... and Mo but not by Fe. The retardation is more remarkable for Mo than for ...of Cr along the moving cell boundary is decelerated by W and Mo but slightly accelerated by ...between Cr and ...

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Crevice Corrosion Behavior of Ni-Cr-Mo-W Alloys in Aggressive Environment

Crevice Corrosion Behavior of Ni-Cr-Mo-W Alloys in Aggressive Environment

... (2) To determine the influence of alloying elements on crevice propagation, the extent of corrosion damage on various Ni-Cr-Mo (W) alloys crevice corroded in 1.0 mol/L was determined by SEM, EDX, ...

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Electrochemical and Microstructural Study of Ni Cr Mo Alloys Used in Dental Prostheses

Electrochemical and Microstructural Study of Ni Cr Mo Alloys Used in Dental Prostheses

... In Ni-Cr alloys, resistance to corrosion is relatively high because of passivation effect of the oxide layer cov- ering a surface [11]. During production of dental alloy, trace elements are used due to playing an ...

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