analysis of the wear process of nitrogen implanted hss

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Analysis of the wear process of nitrogen implanted

Analysis of the wear process of nitrogen implanted

Aug 16, 2001 · Stamping dies for forming the cross-recessed heads of screws were implanted with various doses of 80 keV nitrogen ions. The wear process during industrial production was studied by measurements of the evolution of wear land in the tool. An improvement by a factor of about 2.5 in the wear rate has been found.sp.info Analysis of the wear process of nitrogen implanted HSS Aug 01, 2001 · adshelp[at]cfa.harvard.edu The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86Asp.info Life-time improvement and the cutting forces in nitrogen Apr 17, 2019 · Narojczyk J, Werner Z, Piekoszewski J (2001) Analysis of the wear process of nitrogen implanted HSS stamping dies. Vacuum 63(4):691-695. Narojczyk J, Werner Z, Piekoszewski J, SzymczykW(2005) Effects of nitrogen implantation on lifetime of cutting tools made of SK5M tool steel.sp.info Wear behavior of nitrogen implanted PVD-coated This paper compares the wear behavior of PVD TiCN-coated cutting inserts with the nitrogen ion implanted PVD TiCN-coated ones. These inserts are used in


			
Effects of nitrogen implantation on lifetime of

Effects of nitrogen implantation on lifetime of

May 30, 2005 · The implanted nitrogen profiles were analysed by glow discharge optical emission spectroscopy (GDOES) using Jobin-Yvon type JY 10000 RF spectrometer. The phase composition of the surface layers of steel samples modified by ion-implantation was determined by the conversion electron Mossbauer spectroscopy (CEMS) in backscattering geometry. 3.sp.info Impact of ion modification of HSS surfaces on the Dec 01, 2001 · This work considered some ways improving the surface engineered coatings developed through double step hardening of the tool surface layer:by diffusion saturation with nitrogen (ion nitriding of HSS) and by applying a wear-resistant coating with complexly alloyed nitrides (Ti, Cr)N using the cathode arc plasma deposition process (CAPDP).sp.info INCT Home Page - IChTJAnalysis of the wear process of nitrogen-implanted HSS stamping dies Vacuum 63 (2001) 691-695 Z.Werner, J.Piekoszewski, W.Szymczyk Generation of high-intensity pulsed ion and plasma for material processing Vacuum 63 (2001) 701-708 Z.Werner, J.Piekoszewski, A.Barcz, R.Grötzschel, F.Prokert, J.Stanis艂awski, W.Szymczyksp.info Investigation of Microstructure and tribological Abstract Boron and nitrogen were implanted respectively or simultaneously into high-speed steel (HSS) in order to improve its wear resistance. The results of


			
Microstructural variations and tribology of

Microstructural variations and tribology of

Mar 01, 1995 · In the case of HSS, nitrogen implantation at T=350 provided improvement in wear resistance by a factor of 3 (Fig. 1(a)). The same result was obtained in the case of high temperature (T=500 ) implantation.sp.info Development of ion-implanted hard coatings for Oct 01, 1996 · In most cases, ion implantation improves the adhesive wear behaviour of the tool surfaces. The best results were obtained with the implantation of nitrogen into CVD TIC-TIN. The resistance of Cr,N coatings against abrasive wear was also significantly increased by nitrogen implantation.sp.info (PDF) Wear Resistance Performance of Die Casting Materials Wear is one of the emerging failures of the die casting industries. Current market demands that the final product should be accurate or close to accurate, with minimum wear on machine tools.sp.info Analysis and research on the causes of the inability to Jan 18, 2022 · Electrical discharge machining ablation (EDMA) technology is an EDM processing method that uses oxygen as the discharge medium. Compared with traditional EDM, EDMA can greatly improve the machining efficiency but is prone to combustion and explosion phenomena when machining titanium alloy and cannot obtain stable continuous processing.


			
Determination of tool wear and chip formation in drilling

Determination of tool wear and chip formation in drilling

Dec 03, 2015 · In this study, tool wear and chip formation during the drilling process of AISI 1045 material using plasma-nitrided high-speed steel drill bits were experimentally investigated. Two uncoated and plasma-nitrided drill types were used in the experiments. First, commercial drill bits were subjected to the plasma nitriding process.sp.info Surface modification of materials by ion implantations process of ion implantation is used to create new surface alloys and modify surface related properties such as hardness, wear and friction, corrosion resistance of materials. It is alsosp.info Ion implantation of superhard ceramic cutting tools A batch of CBN tools was implanted with nitrogen ions at 150 keV and 2.5×1017 ions/cm2 and further used to cut 61 HRc AISI 52100 steel at different conditions. Results show that ion implantation has strong effects on partsurface finish, moderate effect on cutting forces, but an insignificant impact on tool wear.sp.info Zbigniew WERNER National Centre for Nuclear Research Commercial Inconel 600 nickel-chromium alloy was implanted with nitrogen, titanium, chromium, copper with tin (as bronze components) and yttrium ions to


			
THE EFFECT OF NITROGEN GAS FLOW RATE ON THE

THE EFFECT OF NITROGEN GAS FLOW RATE ON THE

In present study, titanium nitride (TiN) coatings on high-speed steel (HSS) coupons were produced with a cathodic arc evaporation technique. We studied and discussed the effect of various nitrogen gas flow rates on microstructural and mechanical properties of TiN-coated HSS coupons. The coating properties investigated in this work included the sp.info Comprehensive Research and Analysis of a Coated 3.1. Analysis of the Chemical Composition of the Milling Drill. Powerful milling drills, made of high-quality high-speed steel (HSS), which is ennobled with legures-tungsten, molybdenum, and chromium, are widely used in the automotive, aerospace, and military industries.sp.info Key Engineering Materials Vols. 373-374 p. 10 Experimental results showed that the HSS substrate was intensified obviously after the implantation of boron and nitrogen ion. When the nitrogen dose equals to 12.8×1017 ions/cm2, the hardness reaches its highest value, HV1982 and the relative wearability was increased for about ten times under the load of 30N.sp.info Multilayer CrN/TiN coatings deposited at low A multilayer CrN/TiN coating was developed and deposited onto high speed steel (HSS) specimens by unbalanced magnetron (99.99 %) and Ti (99.99%) targets. Multilayers were deposited at different nitrogen partial pressure, a target current ratio ranged from 0.7 to 1 and a bias voltage of -60 The wear rate of the film was estimated to be 4


			
Characterization of surface mechanical properties of H13

Characterization of surface mechanical properties of H13

Jul 06, 2007 · Abstract AISI H13 steel samples were implanted with nitrogen using plasma immersion ion implantation (PIII) at 320 or 380 °C. In addition, PIII was used for simultaneous implantation of carbon and nitrogen into H13 steel at 380 °C. Treated and untreated samples were studied by wear-friction testing, microhardness measurement, atomic force microscopy sp.info J. Piekoszewski's research works Instytut Chemii i J. Piekoszewski's 110 research works with 918 citations and 1,957 reads, including:paper1999.zipsp.info Effect of Compaction Load and Heat Treatment in High speed steels (HSS) is used in manufacturing of cutting tools and wear components because of its superior mechanical properties and wear resistance. In this study, the optimization manufacturing parameters such as compacting pressure and heat treatment temperatures will be studied. The powder of HSS and iron phosphorous were dryly mixed for 30 minutes.sp.info Nanomechanical and surface properties of rMSCs post Jul 01, 2015 · The lubricant employed in all wear tests consisted of 25 % v/v bovine serum (Harlan Sera-Lab, Loughborough, UK) in sterile water with 0.1% (w/v) sodium azide to inhibit the growth of bacteria. The lubricant was changed every week and serum samples were collected for wear debris analysis.


			
Effect of hand packing versus cement gun pressurization on

Effect of hand packing versus cement gun pressurization on

Cement mantle penetration of 3鈥5 mm below the tibial base plate has been reported to improve the static strength of the implant鈥揷ement鈥揵one construct and to ensure the long-term mechanical fixation of the implant by preventing the infiltration of wear particles, thereby avoiding peripheral osteolysis and associated component loosening. 1 sp.info (PDF) Wear resistance investigation of titanium nitride Effects of surface coating on reducing friction and wear of orthopaedic implants Effects of surface coating on reducing friction and wear of orthopaedic implants. FORCE AND WEAR ANALYSIS OF PVD COATED CUTTING TOOL" - A REVIEW. By IJARIIE JOURNAL. Surface interactions of a W-DLC-coated biomedical AISI 316L stainless steel in physiological sp.info 10.1016/S0301-679X(97)00013-3 DeepDyveJun 11, 2020 · Intemationul All rights Vol. ELSEVIEP SCIENCEi 30, No. 7, pp. 499-506. 1997 0 1997 Elsevier Science Ltd reserved. Printed in Great Britain 0301-679X/97/$17.00 + 0.00 PII:s0301-679X(97)00013-3 esion of wear resistant ings to steel substrates ", G. Teert J. Hampshiret, R. KingdonS, 2. Naeem§, hard and D. A. B. Smith§ The scratch- test has been used to sp.info

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