Comparative Study of Plasma Cladded Fe-Based Composite Hardfacings with In Situ Synthesized Cr and Ti Carbide Reinforcement

2021 ◽  
Vol 320 ◽  
pp. 83-89
Author(s):  
Dmytro Tkachivskyi ◽  
Mart Viljus ◽  
Rainer Traksmaa ◽  
Maksim Antonov ◽  
Andrei Surzhenkov ◽  
...  
Keyword(s):  
Stainless Steel ◽  
Wear Resistance ◽  
Carbon Black ◽  
Process Parameters ◽  
Average Hardness ◽  
Plasma Transferred Arc ◽  
Lower Strain ◽  
Transferred Arc ◽  
Precursor Powders

This study aimed to compare the X3CrNiMo17-13-3 stainless steel based plasma transferred arc (PTA) cladded hardfacings, reinforced with the in-situ synthesized Cr and Ti carbides. Carbon black and either pure Cr, pure Ti, or TiO2 were utilized as reinforcement precursors (the respective hardfacings are further referred to as Cr+C, Ti+C and TiO2+C). The pre-placed mixtures of matrix and reinforcement precursor powders were remelted by the plasma transferred arc, applying the preliminarily optimized process parameters (95 A, 22 – 24 V, 0.2 mm/s). As a reference, the unreinforced stainless steel hardfacing was used. The carbide reinforcement was successfully in-situ synthesized in all the hardfacings. The Cr + C hardfacing exhibited the largest average hardness (556 ± 29 HV1), while the TiO2 + C hardfacing had the largest average Young’s modulus (156.3 ± 19.7 GPa). The Cr + C and Ti + C hardfacings demonstrated the 2.3 and 2.1 times higher resistance to abrasive wear than the reference hardfacing. The TiO2 + C hardfacing showed 1.5 times lower wear resistance than the reference hardfacing presumably due to a lack of the reinforcement and a lower strain hardening ability.

scholarly journals Plasma Transferred Arc Welding of Stellite 6 Alloy on Stainless Steel for Wear Resistance

2016 ◽  
Vol 25 ◽  
pp. 1305-1311 ◽  
Author(s):  
Mohammed Mohaideen Ferozhkhan ◽  
Muthukannan Duraiselvam ◽  
Kottaimathan Ganesh kumar ◽  
Rajanbabu Ravibharath
Keyword(s):  
Stainless Steel ◽  
Wear Resistance ◽  
Arc Welding ◽  
Stellite 6 ◽  
Plasma Transferred Arc ◽  
Transferred Arc ◽  
Plasma Transferred Arc Welding

COLMONOY No. 83 PTA

Alloy Digest ◽  
1995 ◽  
Vol 44 (12) ◽  
Keyword(s):  
Wear Resistance ◽  
Compressive Strength ◽  
Physical Properties ◽  
Tungsten Carbide ◽  
Tensile Properties ◽  
Powder Metal ◽  
Application Method ◽  
Plasma Transferred Arc ◽  
Transferred Arc ◽  
Nickel Base

Abstract COLMONOY No. 83 PTA is a nickel-base hard surfacing alloy containing tungsten carbide. The application method is plasma transferred arc and the application is designed to protect extrusion screws. This datasheet provides information on composition, physical properties, microstructure, hardness, tensile properties, and compressive strength. It also includes information on wear resistance as well as machining and powder metal forms. Filing Code: Ni-493. Producer or source: Wall Colmonoy Corporation.

New Fusible Alloys with Enhanced Corrosion Resistance

1997 ◽  
Author(s):  
I. Kretschmer ◽  
P. Heimgartner ◽  
R. Polak ◽  
P.A. Kammer
Keyword(s):  
Wear Resistance ◽  
Corrosion Resistance ◽  
Service Performance ◽  
New Family ◽  
Plasma Transferred Arc ◽  
Wear And Corrosion ◽  
Transferred Arc ◽  
Waste Burning ◽  
Wear And Corrosion Resistance ◽  
Characteristic Microstructure

Abstract Fusible Ni-B-Si alloys with a variety of alloy additions (Cr, Mo, Cu etc.) have been in service for many years as fused coatings with moderate corrosion resistance. Both gas- and water-atomised powders have been used with the spray and fuse and with the plasma transferred arc process to produce coatings. As the severity of corrosive industrial environments has increased, for example in waste burning boilers, existing alloys have not provided the desired service performance. This study was undertaken to develop a new family of alloys with improved corrosion resistance without sacrificing usability, wear resistance or cost effectiveness. A range of compositions was prepared and evaluated for deposition characteristic, microstructure, hardness, wear resistance and corrosion resistance in various media. The resulting alloy has an exceptional combination of wear and corrosion resistance in comparison to conventional alloys, when tested under comparable conditions.

Investigations on microstructure and wear resistance of Fe-Mo alloy coating fabricated by plasma transferred arc cladding

2018 ◽  
Vol 350 ◽  
pp. 480-487 ◽  
Author(s):  
Xinke Deng ◽  
Guojun Zhang ◽  
Tao Wang ◽  
Shuai Ren ◽  
Zhonglian Bai ◽  
...  
Keyword(s):  
Wear Resistance ◽  
Alloy Coating ◽  
Plasma Transferred Arc ◽  
Transferred Arc

Taguchi approach to erosion wear optimization of WC-10Co-4Cr sprayed austenitic steel subjected to equisized slurry

2018 ◽  
Vol 70 (9) ◽  
pp. 1774-1782 ◽  
Author(s):  
Gurmeet Singh ◽  
Satish Kumar ◽  
Satbir S. Sehgal
Keyword(s):  
Particle Size ◽  
Stainless Steel ◽  
Wear Resistance ◽  
Process Parameters ◽  
Rotational Speed ◽  
Solid Concentration ◽  
Erosion Wear ◽  
Pump Impeller ◽  
Content Type ◽  
Erosion Test

Purpose This paper aims to optimize the erosion wear analysis of slurry impeller material. Stainless steel (SS-410) was used as the pump impeller material. This erosion test was established to influence the rotational speed, solid concentration, time period and particle size. Fly ash was used as the erodent material. Design/methodology/approach The erosion wear experiments were performed at different particle size, rotational speed, time duration and solid concentration (by weight). These tests were performed at four different speeds of 750, 1,000, 1,250 and 1,500 rpm, and the time durations of these experiments are 75, 120,165 and 210 min. For protective coating, high-velocity oxygen-fuel spray process was used for depositing WC-10Co-4Cr coating on stainless steel. To investigate the influence of controlled process parameters on slurry erosion wear of pump impeller material, Taguchi method was used. Findings Results show that significant improvement in erosion wear resistance has been observed by using WC-10Co-4Cr coating. The process parameters affecting the erosion wear loss were in following order: time > rpm > concentration > particle size. The means of signal-to-noise ratio of stainless steel SS410 with and without coating vary from 93.56 to 54.02 and from 86.02 to 48.18, respectively. Originality/value For the erosion wear rate of both uncoated and coated stainless steel, the most powerful influencing factor was identified as time. The erosion test reveals that the coating exhibits ductile erosion mechanism and shows better erosion wear resistance (approximately two times) compared to uncoated stainless steel.

DOUBLE GLOW PLASMA SURFACE TITANIZING ON AISI 316 STAINLESS STEEL WITH IMPROVED WEAR RESISTANCE: EFFECTS OF PROCESS PARAMETERS

2019 ◽  
Vol 27 (07) ◽  
pp. 1950178
Author(s):  
YONG MA ◽  
NAIMING LIN ◽  
QIANG LIU ◽  
JIAOJUAN ZOU ◽  
XIUZHOU LIN ◽  
...  
Keyword(s):  
Stainless Steel ◽  
Wear Resistance ◽  
Wear Rate ◽  
Process Parameters ◽  
Coating Thickness ◽  
Optimal Process ◽  
Plasma Surface ◽  
Aisi 316 Stainless Steel ◽  
Aisi 316 ◽  
Glow Plasma

Using the double glow plasma surface alloying technique, a titanizing coating with improved wear resistance can be prepared on AISI 316 stainless steel. The purpose of this paper is to investigate process parameter effects by orthogonal array design. Four main factors, titanizing temperature, holding time, voltage difference and electrode distance, are adopted in orthogonal experiments. For each factor, four levels are set. The range analysis is used to investigate the factor and level influences on the coating thickness and specific wear rate. Meanwhile, the analysis of variance method is applied to calculate the contributions of each factor. The results indicate that temperature is most critical. In balancing the coating thickness and the wear property, the optimal process parameters are 950∘C, 3[Formula: see text]h, 200[Formula: see text]V and 18[Formula: see text]mm. Corresponding to the optimal process, the thickness and the specific wear rate of the titanizing coating are 10[Formula: see text][Formula: see text]m and 2.609E−05 mm3⋅ N−1⋅ m−1, respectively.

scholarly journals A Comparative Study on the Tribological Properties of a Cobalt-Free Superaustenitic Stainless Steel at Elevated Temperature

Metals ◽  
2020 ◽  
Vol 10 (9) ◽  
pp. 1123
Author(s):  
Frederic van gen Hassend ◽  
Sebastian Weber
Keyword(s):  
Stainless Steel ◽  
Wear Resistance ◽  
Elevated Temperature ◽  
Superaustenitic Stainless Steel ◽  
Material Loss ◽  
Hardness Tests ◽  
Alternative Material ◽  
Wear Tests ◽  
Hot Hardness

The properties of a cobalt-free cast superaustenitic stainless steel (SASS) is investigated comparatively to the commercial high-cobalt alloyed GX15CrNiCo21-20-20 (1.4957, N-155) steel regarding its global hardness and wear resistance at elevated temperature by means of in situ hot hardness tests and cyclic abrasive sliding wear tests against an Al2O3 (corundum) counter-body at 600 °C. In the aged condition, results show that the 1.4957 steel suffers a higher material loss due to brittle failure initiated by coarse eutectic Cr-rich carbides which are incorporated into a mechanically mixed layer during abrasive loading. In contrast, within the Co-free steel eutectic M6(C,N) carbonitrides are distributed more homogeneously showing less tendency to form network structures. Due to the combination of primary Nb-rich globular-blocky MX-type carbonitrides and eutectic M6(C,N) carbonitrides dispersed within an Laves phase strengthened austenitic matrix, this steel provides comparable hardness and significantly improved wear resistance at elevated temperature. Thus, it may be an adequate alternative material to commercial SASS and offers the possibility to save cobalt for future applications.

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