Tool steel
The influence of the arc plasma treatment on the structure and microhardness C120U carbon tool steel
... The examination of the structure and microhardness of surface layer of C120 U carbon tool steel after arc treatment are presented in the paper. They are compared with the properties obtained after ...
4
Influence of Cryogenic Treatment on the Tribological Behaviour of AISI H21 Tool Steel
... work tool steel, different ways were suggested in the literature but the effect of cryotreatment has not reported ...differnet tool steel ...work tool steel in terms of ...
12
The Effect of Heat Treatment on Dynamic Strain Aging Behaviour of AISI H10 Hot Work Tool Steel
... Tables 2 and 3 show hot tensile test results for H10 tool steel under AR and AQ conditions, including UTS, YS and elongation (%). It is noted that UTS and YS are about 646 MPa and 451 MPa for AR samples and ...
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The comparison of the structure and microhardness of the tool steel C90 and HS 6-5-2 remelted with the electric arc
... the steel C90 and HS 6-5-2 immediately after the conventional hardening, need the tempering ...high-speed steel, whereas in non-alloy steels tempering cause decrease the ...
4
Mat. Res. vol.18 número3
... high-chromium steel developed for various applications which require high resistance to wear, severe pressure and ...alloy tool steel contain primarily martensite and metal alloy ...
6
Multi-Parameter Analysis of Surface Finish in Electro-Discharge Machining of Tool Steels
... quality tool steel, namely: a modified AISI P20 type prehardened mould steel (Impax Supreme), an AISI D2 type cold work tool steel (Sverker 21) and a premium AISI H13 type hot work ...
6
Maurilio Pereira Gomesa , Igor Passos dos Santosa
... The characterization of sintered valve seat inserts (VSIs) after being subjected to different heat treatment operations has been carried out. The VSIs were obtained from three different alloys by mixing iron powder with ...
10
Mat. Res. vol.20 número6
... work tool steel (AISI H13) by conventional (die compaction and pressureless sintering) and metal injection molding routes, aiming to reduce cost and production ...
9
Mat. Res. vol.16 número3
... presents lower hardness; however, their wear resistances are poor when compared to alloys of high hardness. On the other hand, the volume loss of SF-SMSS 0.7%B was 17% lower than AISI D2 tool steel with 60 ...
5
Mat. Res. vol.20 número4
... Round plates ( ∅ 30x10 mm) made from AISI H13 hot- work tool steel were employed as the substrate material in this study. The chemical composition of the steel, obtained through X-ray luorescence, is ...
11
Mat. Res. vol.15 número5
... The paper deals with the analysis of microstructure formation in the tool steel of ledeburite type Ch12MF4 with the chemical composition of 2.37% C, 12.06% Cr, 1.2% Mo and 4.0 % V [wt. (%)] in the process ...
8
Experimental investigation on flank wear and tool life, cost analysis and mathematical model in turning hardened steel using coated carbide inserts
... cutting tool showed the best performance than that of ceramic based cutting tool during turning AISI 52100 steel ...the tool wear, followed by the hardness of cutting tool, lastly the ...
8
GAMIFICATION AS A LEARNING TOOL
... The taxonomy and the reward structure define the base for a game design, either digital, board or, in this context, the learning experiences of a higher education subject.... MOTIVATION.[r] ...
10
Are morphometrics sufficient for estimating age of pre-fledging birds in the field? A test using common terns (Sterna hirundo).
... photographic tool for estimating ages of Common Tern (Sterna hirundo) chicks and test it using 100 human observers of varying prior experience across four breeding colonies (three North American sites and one ...
8
J. Braz. Soc. Mech. Sci. & Eng. vol.31 número1
... low-carbon steel plate, deformed under industrial test conditions by punches manufactured in quenched and tempered AISI D2 steel, with and without TiN ...longer tool life was obtained in tools with ...
5
Development of Zn50 Brazing Alloy for Joining Mild Steel to Mild Steel (SAE1018)
... This work has developed new brazing alloys for joining mild steel to mild steel (SAE1018) at a lower temperature. The alloys blends and error analysis were done by experimental design software (Design ...
13
ARQUITETURA E TECNOLOGIA EM SISTEMAS CONSTRUTIVOS INDUSTRIALIZADOS: LIGHT STEEL FRAMING
... O crescimento da economia americana e a abundância na produção de aço no período pós 2 a . Guerra possibilitou a evolução nos processos de fabricação de perfis formados a frio, e uso dos perfis de aço substituindo os de ...
255
Book Review: A Fresh Look at the Cognitive Origins of Man the Tool-Maker
... human tool use. Pictures of tools, sounds associated with tools, and tool names all activate areas of the brain that are also recruited for planning and executing action sequences (Johnson-Frey, ...of ...
7
Analysis of parameters affecting end blow manganese content at oxygen steelmaking
... Average ladle iron-manganese alloy recovery is taken as 95%. For a mixed addition made by 60% high carbon (HC) and 40% medium carbon (MC), one can estimate the amount and the costs related to a 0.01% steel ...
6
A tool for errors detection in printed circuit boards production
... The tool allows us to analyze PCBs and to know the differences between produced PCBs and original ...this tool, the analysis can be applied to circles, but the tool can be improved to analyze more ...
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