Fe-Cr-Ni-C
INFLUENCE OF THE CAST IRON’S CHEMICAL COMPOSITION ON THE INTERPHASE DISTRIBUTION OF Mn
... % Cr та 0,19…3,01 % ...Mn, Cr та ...% Cr та 3,01 % Ni до 5,79 % при 1,09 % С, 5,4 % Mn, 25,57 % Cr та 0,19 % ...% Cr и 3,01 % ...
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ВЛИЯНИЕ ХИМИЧЕСКОГО СОСТАВА ЧУГУНА НА МЕЖФАЗНОЕ РАСПРЕДЕЛЕНИЕ CR ПОСЛЕ ОТЖИГА ПРИ 690 °С
... Mn, Cr and Ni content in the cast ...3.23% C, 5.4% Mn, 11.43% Cr and 3.01% Ni to 17.43% at 1.09% C, ...25.57% Cr and ...1.09% C, 0.6% Mn, 11.43% Cr and 0.19% ...
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Hardening of Cr-Fe-Ni-Mn high-entropy alloys caused by the irradiation with argon ions
... produced by arc melting in a high-purity argon in a water-cooled copper mould. The purities of the alloying elements were above 99.9%. To ensure chemical homogeneity, the ingots were flipped over and remelted a least 5 ...
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Phase stability, constitution and precipitation effects in Fe Ni Cr alloys
... hardening is attributed to the presence of grain boundary Cr 23 C 6 which was observed by electron metallography and identified using electron diffraction and EDX techniques. The carbides were observed only ...
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The Effect of Nickel Increasing and Aluminum Addition on Sulfidation Resistance of Fe-Ni-Cr Alloys (TECHNICAL NOTE)
... Abstract In this research the effects of; increasing the amount of nickel and adding aluminum to create and prolong sulfidation resistance of Fe-Ni-Cr alloys have been investigated. Sulfidation tests ...
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Solidification of High Chromium Cast Iron Substituted by 25 to 70 mass%Ni for Fe
... The Cr contents in the primary and eutectic carbides are 71–88%; the Ni content is lower than the Cr ...the Cr content is low and Fe and Ni contents are ...the Fe content ...
6
First Principles Study of Magnetic Properties of 3d Transition Metals Doped in ZnO Nanowires
... nanowire, Cr and Fe favor ferromagnetic states energetically, and Co and Ni prefer anti-ferromagnetic states, whereas the opposite is only true for the cases of Fe and Ni in the ...
5
“Evaluation of Heavy Metals Accumulated in Some Aquatic Species Collected Along the Suez Refineries to El-Sokhna Area” by E. A. Omayma, A. M. Sawsan, A. F. Nazik, Egypt.
... was added to the samples. The vessel was placed in a digestion block, which has a capacity of nine vessels. The digestion block was placed on a hot plate at 120C for two hours. The block was then left over night ...
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Softening by Coarsening of Ni Al B2 Phase Particles in Fe Cr Ni Al Zr Alloy
... To verify this, the specimens were held at 1423 K for 5.4 ks, cooled down to 973 K at a cooling rate of 0.022 K/s and then air-cooled. The microstructures during the softening treatment were observed in detail. Figure ...
5
Effect of TiN Nanoparticles on the Friction and Wear Properties of Spark Plasma Sintered Fe-Cr-Ni
... This study evaluated the dry sliding wear and friction behaviour of spark plasma sintered Fe-Cr-Ni (a duplex stainless steel known as SAF 2205) matrix with titanium nitride (TiN) nanoparticles as ...
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Microstructural Evolution of an Ion Irradiated Ni Mo Cr Fe Alloy at Elevated Temperatures
... (Fig. 3(b)). The process of recrystallization is also apparent here as adjoining subgrains merge into the same orientation by strain-induced boundary migration and diffusion. By 3 dpa, continued cascade damage cause the ...
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High Resolution Electron Microscopic Study on Atomic Arrangements at Growing Tips of Martensite Plates and a Nucleating Martensite in Fe Ni Mn and Fe Cr C Alloys
... Points 2) to 4) above are the important differences between the experimental results and the O-C model. Such observed results, which cannot be explained by the O-C model, can be reasonably explained using ...
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Structure and Construction Assessment of the Surface Layer of Hardfaced Coating after Friction
... NiO, Cr 2 O 3 , FeO, Fe 3 O 4 , Fe 2 O 3 ), carbides (Fe 3 C, Cr 7 C 3 ) and borides (FeB, Fe 2 ...austenite Fe(Ni,Cr) (matrix phase), ...
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Development of Fe Cr Ni Mn N High Alloyed Powder Processed by Mechanical Alloying
... Table 1 shows an average diameter value of the nano- crystals obtained by BRUKER D8 ADVANCE, and the value of Vickers microhardness of the Fe-18Cr-8Ni- 12Mn-0.9N alloy before and after rolling. These data in- ...
5
The High temperature properties of Fe Ni Cr alloys
... The effect of solution treatment temperature and time was studied on all the alloys listed in Table 1, using both bar and strip material. Small discs 6 mm thick were cut from the 1 2 .5 mm diameter bars, and 12 mm square ...
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STUDY OF COATINGS OBTAINED FROM ALLOY Fe-Mn-C-B-Si-Ni-Cr
... The Fe, Co, Ni, Ti – based alloy are most widely used for improvement of materials wear-resistance ...Ti- Cr-Si [3], Ni-Fe-C-M [4], Fe-C-Cr-Si [2], ...
5
Volume and Grain Boundary Diffusion of Chromium in Ni Base Ni Cr Fe Alloys
... The relation between the grain boundary energy and the relative rates ofvolume and grain boundary diffusion was first derived by Borisov et al. 22) In the form of eq. (8), it was adopted by Guiraldenq et al. 9) The ...
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Effect of multicomponent alloying with Ni, Mn and Mo on phase stability of bcc Fe-Cr alloys
... of Fe-Cr alloys intended for energy applications show that the improvement of an exploitation reliability and equipment efficacy might rely on multicomponent Fe-Cr steels that contain other ...
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Effect of Fe Addition on Microstructures and Mechanical Properties of Ni and C Free Co Cr Mo Alloys
... of Fe-added Co-29Cr-6Mo alloys. The ductility increases with Fe content up to 10 mass%, whereas it suddenly decreases at Fe content of 20 ...Unlike Ni addition, increasing the amount of ...
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Effects of Fe, W and Mo on Kinetics of Discontinuous Precipitation in the Ni Cr System
... The Ni Cr, Ni Cr Fe, Ni Cr W and Ni Cr Mo alloys are called alloys A1, A2, A3 and A4, ...of C contributes to deoxidization, and that of ...
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