[PDF] Top 20 Effect of Alloying Elements on Heat Treatment Behavior of Hypoeutectic High Chromium Cast Iron

... The high wear performance of high chromium cast iron depends on both the amount and the type of eutectic carbide and on the matrix ...However, high volume fraction of eutectic ... See full document

... The experimental results show that retained austenite is closely related to the micro-hardness in both the as-hardened state and tempered states and apart from the behavior of secondary hardening. Secondary ... See full document

... The effect of C content on the hardness and V£ in an as- hardened state is shown in ...was high in the specimen hardened from 1323 K except for ...and alloying elements in austenite increased ... See full document

... of high- er temperature in austenitizing than that in ...forming elements like Mo and V could form each pure carbide with much higher hardness according to the carbide ... See full document

... High chromium cast iron has been applied to abrasive wear resistant materials for more than 50 ...its high abrasive wear and corrosion ...of high chromium cast ... See full document

... initial heat treatment at high temperatures and coexisted with the melt [16] [17], this caused an increase in the holding time for the complete precipitate dissolution of the C15 alloy at these ...in ... See full document

... Cr cast iron containing some alloying elements has been preferably used for parts and components in various industries because it has superior abrasive wear resistance and required level of ... See full document

... next heat treatment of these composites contain two opposite effects, 1- to raise the wear resistance due to the presence of hard phases in the hard matrix (chromium carbide and martensite) and 2- to ... See full document

... crystalline heat increased, coursing the carbide of particles in the boundary area, which affected the toughness and abrasion resistance of high chromium cast iron ...the ... See full document

... (RE) elements was studied in various ...corrosion behavior in ...deleterious effect of RE additions on the corrosion performance of ...RE alloying elements improve the cathodic reaction ... See full document

... value of the applied potential was selected based on the polarization curves in Fig. 2, in which the effect of Cr addition to the blank steel was clearly represented in terms of anodic current density. The current ... See full document

... High chromium white cast irons are an important class of wear resistant ...their high carbide content, which forms along with austenite during solidification as a proeutectic or eutectic phase ... See full document

... ductile cast iron was transformed into a martensite micro- structure by the subzero ...subzero treatment and the movements of the boundaries between parent and martensite phases, twin boundaries ... See full document

... From the micrograph of the as received sample, Fig.1a, it was observed that graphite flakes are very prominent having long morphology. However, in the chromium alloyed samples (Figs. 1b- d), increasing carbide ... See full document

... to heat treatments. Low nodularity observed in austempered heat treated specimens [Table ...has high effects on mechanical properties of Spheroidal Graphite cast ... See full document

... The effect of destabilization heat treatment on the microstructure, hardness, fracture toughness and abrasive wear resistance of high chromium hardfacing was ...destabilization ... See full document

... the effect of speed rotation on the erosion behaviour of uncoated steel 304 and grey cast ...and chromium coated ductile ...very high speed of 1400 ... See full document

... The sliding action of a chromium plating imposes a cyclic state of loading on the gray cast iron near the surface. Under this cyclic loading the matrix can undergo plastic deformation and fatigue ... See full document

... The elements maps in Fig. 10 indicated that the inner and outer corrosion products parts were both enriched in Cr, Mo and O. The corrosion products consisted of oxides of Cr and Mo. For the amount of Fe and Co, ... See full document

... of cast iron samples before and after etching are shown respectively in ...in cast iron sample ...of cast iron sample in ...to cast iron sample ...molten ... See full document