Microstructure and mechanical performance of TiC-Inconel825 composite coating deposited on AISI 304 steel by TIG cladding process

Saroj, Sweta; Sahoo, Chinmaya Kumar; Masanta, Manoj

doi:10.1016/j.jmatprotec.2017.06.042

Cited by 72 publications

(26 citation statements)

References 15 publications

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“…In this present study, regions of highest volumetric fraction of carbide presented a similar morphology with those by addition of FeSiMn, indicating that the amount of titanium and carbon which forms TiC can affect carbide morphology. Studies that obtained higher values of carbide volume fraction (above 30%) have a morphology with dendritic and rounded aspects [10,12]. Such comparisons suggest that titanium content is one of the main factors affecting titanium carbide morphology.…”

Section: Resultsmentioning

confidence: 91%

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Effects of TiC formation in situ by applying titanium chips and other ingredients as a flux of tubular wire

Júnior

Cardoso

Bracarense

2020

J Braz. Soc. Mech. Sci. Eng.

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Possibility of a varied flux formulation, associated with high deposition rates, has been an advantage in welding processes by applying tubular wires, especially metal cored arc welding (MCAW), characterized by metallic powders in the flux. However, the presence of an exclusively metallic flux may not establish optimal welding conditions, requiring the addition of other ingredients in the flux. The present paper investigates the welding of tubular wire with titanium alloy chips as the flux and the effects of additional elements TiO 2 , CaCO 3 and CaF 2 on the arc behavior such as stability, transfer mode and weld properties. Microstructure was examined by scanning electron microscopy (SEM), and hardness was evaluated by a Vickers microdurometer. The results indicated that the fluxes promoted a characteristic of mixed transfer by short circuiting and globular while the CaCO 3 only promoted characteristics of a globular transfer. Fluxes containing TiO 2 , generally used as an arc stabilizer, showed high levels of disturbance. Despite varying chemical composition of the tubular wire, X-ray diffraction results and images generated SEM, revealed a microstructure replete of faceted TiC for all conditions. Carbide showed no significant differences in morphology. Electrical signals demonstrated considerable effects in transfer mode for each condition. As a consequence of the effects generated by the flux, the properties of the welds were also significantly affected. Hardness variation was improved from 2 to 5 times comparing to the hardness of steel plate.

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Section: Resultsmentioning

confidence: 91%

“…Literature reports many works by the application of commercial titanium powders as a ferrotitanium or oxides used as a flux for welding processes [6,9,10]. Recently, titanium chips have been applied as a flux of welding processes as an addition metal for gas tungsten arc welding (GTAW) and metal cored arc welding (MCAW) [11][12][13].…”

Section: Introductionmentioning

confidence: 99%

Effects of TiC formation in situ by applying titanium chips and other ingredients as a flux of tubular wire

Júnior

Cardoso

Bracarense

2020

J Braz. Soc. Mech. Sci. Eng.

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“…Comparison of wear resistance of any material can be done by two methods: change in height [25][26][27][28] and change in the mass of the pin [29,30] as per the ASTM G99 guidelines [31]. In this paper, resistance to wear for all the cases in Table 2 was studied by measuring the loss in height of the pin for each sample by wear test rig of pin-on-disc type (Make: MAGNUM) with ASTM guidelines for different sliding velocities.…”

Section: Methodsmentioning

confidence: 99%

“…Hence, Fe 3 C phase disappeared and martensite phase grows in (200), (211) and (220) plane. The tetragonal martensite grows by consuming the carbon that is present in Fe 3 C [26]. Figure 4c shows the phases 11 Case III 1.2 14 of Case II metal.…”

Section: Xrd Analysismentioning

confidence: 99%

“…The unexpected fluctuation in the COF value occurs due to the rough surface at the interface and abrasive wear and entrapping of the abrasive particles in between the abrasive surface and pin surface. Equation 2gives a relationship between µ = COF, FL = external workload and V u = HV = work done to create abrasive wear particles [26]. According to which, if the hardness of the material increases then the COF will also increase, keeping rest conditions constant.…”

Section: Coefficient Of Frictionmentioning

confidence: 99%

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Effect of sub-zero temperatures on wear resistance of AISI P20 tool steel

Priyadarshini

Behera

Biswas

2020

J Braz. Soc. Mech. Sci. Eng.

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In the present scenario, modernization of machine tool is the main objective to get the desired properties, so as to increase the tool steel life. In this research, we aim to improve the wear resistance of AISI P20 tool steel. Sub-cooling treatment is a simple technique that can extend the operational life of tool steel. In this study, P20 tool steel is treated at three different sub-cool temperatures. As the sub-cooled temperature decreases, the hardness and wear resistance of the metal increase significantly. The micro-hardness value of the − 150ºC sub-cooled metal is found in the range of 320-330 HV which is having 35% more hardness as compared to the as-received untreated metal. There is also 28% increase in the wear resistance of − 150ºC sub-cooled metal. The sub-zero temperature has shown its significant impact on microstructure, hardness and mechanical behavior of tool steel which directly improves the operational life of tool steel in the industrial environment.

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Industrial Technological Process for Welding AISI 301 Stainless Steel: Focus on Microstructural Control

Cardoso

Machado

Baptista

et al. 2022

Smart Innovation, Systems and Technologies

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Microstructure and mechanical performance of TiC-Inconel825 composite coating deposited on AISI 304 steel by TIG cladding process

Cited by 72 publications

References 15 publications

Effects of TiC formation in situ by applying titanium chips and other ingredients as a flux of tubular wire

Effects of TiC formation in situ by applying titanium chips and other ingredients as a flux of tubular wire

Effect of sub-zero temperatures on wear resistance of AISI P20 tool steel

Industrial Technological Process for Welding AISI 301 Stainless Steel: Focus on Microstructural Control

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