[PDF] Top 20 Novel PM Tool Steel with improved hardness and toughness

... and toughness very locally, as it appears in the aforementioned “gradient grain” structure, a 3D interconnected network of UFGs surrounding the CGs with fairly uniform spacings is formed in the ...this PM ... See full document

... A novel method for fracture toughness measurements via scratch test was applied, and the estimated values were reasonably in agreement with the literature values measured with standard ...This novel ... See full document

... cutting tool like hardness, toughness & wear resistance by forging & heat treatment ...D-Series tool steel (D2,D3) for our project, These tool steels are used in forging ... See full document

... Steel frames are broadly classified as braced- frames and moment-resisting frames depending on the type of configuration and beam-to-column connection provided. Moment resisting frames rely on the ability of the ... See full document

... In this current work undertaking, the author examined the heat treatment effect on the tensile properties of Annealed Mild steel. The distinct heat treatments like annealing, normalizing and tested the mechanical ... See full document

... Yu Huang et al. (2013) [9] studied the effect of cutting parameters on surface roughness, material removal rate and average gap voltage in the WEDM of high hardness tool steel YG15, which are ... See full document

... Signal-to-noise ratio where signal represents the desirable value and the noise represents the undesirable value. Therefore, the S/N ratio consolidates several repetitions into one value, which reflects the amount of ... See full document

... of hardness, wear resistance, heat re- sistance, and lifetime, as well as a reduction in the production cost 1–4) ...high-speed steel type cast alloys ... See full document

... high hardness of modified layer. High energy emitted on steel surface experienced higher temperature while processed at short pulse thus generated a higher hardness layer ( Hua et ...to ... See full document

... the improved antibacterial activity reveal that the pharmaceutical salt of Tinidazole with the p-Toluenesulfonic acid (TN-PTSA) can be a potential substitute to Tinidazole in the treatment of diseases with gram ... See full document

... carbon steel through SMAW ...impact, hardness tests and SEM for microstructure ...and hardness on the welding ...of hardness is produced by E7018 at welding current of 90A with ... See full document

... A statistical technique, fractional factorial experiments and analysis of variance (ANOVA), has been employed to investigate the influence of cutting parameters on the hole diameter accuracy quality that means Taguchi ... See full document

... Mild steel is the easily available, most versatile and less cost form of steel and it provides every application which needs a bulk amount of ...mild steel is selected as the base material for this ... See full document

... resistance, hardness, toughness, compressive strength, thermal conductivity, thermal expansion, creep strength, yield tensile strength and bending strength are most affecting attributes for selecting a best ... See full document

... every tool steel is very hard and it exhibit high toughness, high hardness and good resistance against thermal ...hardened tool steel is very difficult and this researcher ... See full document

... Feng et al. [13] developed an analytical model that predicts the surface roughness of the Inconel 718 based on the kinematic description of the tool movements and the response of the machined part, elastically ... See full document

... monolithic steel armour against this threat class has been observed to generally scale with material hardness ...higher toughness and improved weldability, the IRHA grade would be better ... See full document

... Boronizing or boriding is a well known thermo chemical surface hardening treatment process that can be applied to a wide variety of ferrous, non ferrous and cermets materials. The process involves heating well-cleaning ... See full document

... components (MEMS). Both mentioned groups are unified under micro-technologies [2]. In addition to these processing technologies, in micro-parts production process are included many others systems, such as special ... See full document

... In tool steels, after the conventional heat-treatment a low percentage of austenite is retained and noted as ‘‘retained austenite”. Due to the retained austenite in soft phase could reduce the product life in ... See full document