Spheroidal Graphite Cast Irons
Impact Properties of Austempered Spheroidal Graphite Cast Irons
... ductile cast irons prepared by austempering heat ...ductile cast irons samples with various matrix mi- crostructure tested by Charpy impact within five kinds of external notches whose stress ...
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Effects of Moisture in the Air on Characteristics of Strength in High Strength Spheroidal Graphite Cast Iron
... FCD600 spheroidal graphite cast irons with chemical compositions that are compliant with JIS G 5502 7) were used as the sample materials, as shown in Table ...and graphite shape for ...
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Surface Hardening of Ferritic Spheroidal Graphite Cast Iron by Friction Stir Processing
... ferrite-based spheroidal graphite cast iron (FCD450) is dif fi cult to harden using a conventional surface hardening method, because the carbon content in the matrix is very ...pearlite-based ...
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Effects of Number of Graphite Nodules on Fatigue Limit and Fracture Origins in Heavy Section Spheroidal Graphite Cast Iron
... of graphite nodules on fatigue limit and fracture origins in spheroidal graphite cast iron where carbon content and the number of graphite nodules are ...specimens, spheroidal ...
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Effect of Silicon Content on Intergranular Embrittlement of Ferritic Spheroidal Graphite Cast Iron Suffered from Cyclic Heating
... The effect of silicon content on intergranular embrittlement of ferritic spheroidal graphite cast irons after suffer a certain number of thermal cycles is investigated. The tensile elongation ...
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Effect of Microstructural Refinement on Ductility Deterioration of High Silicon Ferritic Spheroidal Graphite Cast Iron Caused by Cyclic Heating
... The chemical compositions of the high silicon ferritic SG cast irons used in this study are listed in Table 1. Samples were prepared by melting high-purity pig iron, ferro-silicon, and low-carbon silicon ...
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Surface Hardening of Cast Irons by Friction Stir Processing
... The spheroidal graphite cast iron was friction stir processed under the conditions of the traveling speed of 50 mm/min, the rotation speed of 900 rpm, and the load of 3:2 10 3 ...
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Morphologies of Some Graphites in Ductile Cast Irons
... the cast iron used in the present ...the spheroidal and flake ...the graphite structure, the metallic matrix was dissolved away by deep etching in a 10 % nitric acid ...
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Effect of Maximum Temperature on the Cyclic Heating Induced Embrittlement of High Silicon Ferritic Spheroidal Graphite Cast Iron
... The SG cast iron used in this study is listed in Table 1. The material was prepared by melting high-purity pig iron, ferrosilicon, and silicon steel scrap in a high frequency induction furnace. The spheroidizing ...
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The Use of Nitriding to Enhance Wear Resistance of Cast Irons and 4140 Steel
... ductile cast iron (DCI), nodular cast iron, and spheroidal graphite ...the graphite. It is cast as white iron, and then heat-treated to improve ...the graphite morphology ...
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Mechanical Properties of Electron Beam Welded Spheroidal Graphite Cast Iron and Mild Steel Welded Joints
... other cast irons, spheroidal graphite cast iron has superior mechanical properties, and, in recent years, has been widely applied in the fabrication of mechanical structural components ...
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A Study on Electro Discharge Machined Surfaces of Ferritic SG Cast Irons
... the graphite area fraction and inversely proportional to the graphite particle ...higher graphite area fraction and a smaller graphite particle ...of graphite area and particle size ...
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Effect of Blending Ratio of Steel Can Pellets without Cap on Mechanical Properties of Spheroidal Graphite Cast Iron
... However, in the melting of this experiment, it was impossible to fix the contents of C and Si, which have large effects on cast iron properties, at consistent values. Then, the concept of Reifegrad (maturity) as a ...
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Electromagnetic Nondestructive Evaluation of Graphite Structures in Flake Graphite Cast Iron
... Magnetization curves were measured at a field amplitude of 8.0 kA/m and a frequency of 10 Hz. Figure 7 shows the different magnetization curves for the materials. In Fig. 7(a), magnetization curves of the specimens with ...
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Unidirectional solidification studies of ingot mould cast irons
... The graphitic cells have nucleated and grown by the accepted methods as described in Section 2.2.1. The ' D' type flakes are the result of a greater degree of undercooling inherent at higher cooling rates while,at the ...
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EFFECT OF ALLOYING ON TEMPERATURE OF TRANSFORMATION «PEARLITE – AUSTENITE» IN COMPLEX-ALLOYED WHITE CAST IRONS
... 2. Silman G.I., Pamfilov Ya.A., Gryadunov S.S. Vliyaniye struktury belykh khromovanadiyevykh chugunov na ikh iznosostoykost [The effect of structure of white chromium-vanadium cast irons on their wear ...
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ABOUT THE ISSUE OF CARBIDES FE3C AND FE7C3 FORMATION IN HIGH-CHROMIUM CAST IRONS
... Purpose. This article analyzes the formation conditions, transformation and systematization of carbide phases formed in the system Fe – C – Cr. Methodology. Conversion of the elements’ content from mass % into atomic % ...
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Mechanical Properties of Spheroidal Graphite Cast Iron Made by Reduced Pressure Frozen Mold Casting Process
... highest-cycle fatigue tests were observed using a scanning electron microscope (SEM). Figure 11 shows the results of the SEM observations. In these figures, similar structures were observed; the black-colored ...
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Delamination Wear Mechanism in Gray Cast Irons
... stresses or fatigue failure in the sliding faces. These can be caused by a momentary overload due to dry running, as a result of failure of the coolant or by a large load or speed variation. Scuffing, or 'galling' are ...
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Effect of austempering variables on the mechanical properties of spheroidal graphite Iron
... (spheroidal graphite) iron were produced using the tea pot tundish ladle ...The irons were treated in a preheated tea pot ladle containing 12 kg of ...
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