Enhancement of hardness of low alloy steel after low temperature plasma nitriding

Bhadraiah, D.; Nouveau, Corinne; Veeraswami, B.; Lakshman, Shashank Vummidi; Rao, K. Ram Mohan

doi:10.1016/j.matpr.2020.11.1004

Cited by 4 publications

(3 citation statements)

References 15 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Additionally, this technique offers other advantages such as the relatively low processing temperature and treatment time compared to other nitriding techniques. 19, 30–32…”

Section: Methodsmentioning

confidence: 99%

“…Additionally, this technique offers other advantages such as the relatively low processing temperature and treatment time compared to other nitriding techniques. 19,[30][31][32] An inductively-coupled plasma (ICP) source was developed from a Pyrex tube (170 mm in length, 100 mm in diameter, and 5 mm in thickness) which was surrounded by a copper coil and polarized by an RF generator (13.56 MHz). An antenna resistance of 50 Ω was used to adapt the required impedance at the generator output.…”

Section: Plasma Nitriding Of Hardox 400mentioning

confidence: 99%

See 1 more Smart Citation

The influence of plasma nitriding hardness treatment on the dynamic compressive behavior of the Hardox 400 at a wide temperature range

Hedjeres¹,

Tria²,

Boudiaf³

et al. 2022

Proceedings of the Institution of Mechanical Engineers, Part L:

View full text Add to dashboard Cite

This paper aims to study the effect of hardness nitriding treatment on the overall mechanical behavior of Hardox 400 steel. A Plasma Immersion Ion Implantation (PIII) technique was used for material nitriding while a split Hopkinson pressure bar equipped with an electromagnetic heating system was used for the thermomechanical characterization of the studied steel. The collected data are analyzed to identify the combined effect of the high strain rates and elevated temperatures on the flow stress and ductility. The microstructure and the physical properties of the nitrided Hardox 400 were studied using scanning electron microscopy (SEM), X-ray diffraction, and nano-indentation tests. Although the increase of the surface hardness by 37%, the quasistatic and dynamic compression tests showed a decrease in the flow stress due to the microstructure modification caused by the increase of the temperature during the plasma nitriding process. For a better assessment of the experimental results, reduction factors for the main mechanical properties are reported. The test data from SHPB indicated a dependency of the strain rate to the temperature of untreated un-nitrided Hardox 400. Finally, a critical review of the well-known Johnson-Cook constitutive model is highlighted, where material parameters are calibrated with special attention to the thermal softening parameter. The obtained results could be of great interest for the assessment of structural components’ robustness where the combined strain rate and temperature for Hardox 400 are met.

show abstract

“…Additionally, this technique offers other advantages such as the relatively low processing temperature and treatment time compared to other nitriding techniques. 19, 30–32…”

Section: Methodsmentioning

confidence: 99%

Section: Plasma Nitriding Of Hardox 400mentioning

confidence: 99%

The influence of plasma nitriding hardness treatment on the dynamic compressive behavior of the Hardox 400 at a wide temperature range

Hedjeres¹,

Tria²,

Boudiaf³

et al. 2022

Proceedings of the Institution of Mechanical Engineers, Part L:

View full text Add to dashboard Cite

show abstract

“…12) Various surface treatment techniques have been tried to improve these defects produced during laser cladding preparation. Examples include laser remelting, 13) low-temperature plasma nitriding, 14,15) and plasma carbon-nitriding techniques. 16) However, these techniques are both laborintensive and costly.…”

Section: Introductionmentioning

confidence: 99%

Evolution of Microstructure and Mechanical Properties of NiCoCrAlY Coatings After High-Current Pulsed Electron Beam Irradiation

Tian

Chen

et al. 2023

Mater. Trans.

View full text Add to dashboard Cite

In this paper, the NiCoCrAlY coating prepared by laser cladding was modified by a high-current pulsed electron beam technique. Scanning electron microscopy and X-ray diffraction analysis were used to characterize the microstructure and composition of the coatings before and after irradiation, and then the changes in mechanical properties were revealed by comparing the hardness and friction properties of the two coatings. The results showed that the pulsed irradiation purified the coating surface, formed an evaporative recondensation layer and a plastic deformation layer, and produced a dense remelting layer with a thickness of 34 µm. The remelted layer led to an increase in the hardness of the irradiated coating and a decrease in the friction coefficient and wear. The pulsed irradiation effectively improved the mechanical properties of the coatings.

show abstract

Elevated Temperature Plasma Nitriding of CrMoV Tool Steel for the Enhancement of Hardness and Wear Resistance

Kiran

Srinivas

Basu

et al. 2023

J. of Materi Eng and Perform

View full text Add to dashboard Cite

Enhancement of hardness of low alloy steel after low temperature plasma nitriding

Cited by 4 publications

References 15 publications

The influence of plasma nitriding hardness treatment on the dynamic compressive behavior of the Hardox 400 at a wide temperature range

The influence of plasma nitriding hardness treatment on the dynamic compressive behavior of the Hardox 400 at a wide temperature range

Evolution of Microstructure and Mechanical Properties of NiCoCrAlY Coatings After High-Current Pulsed Electron Beam Irradiation

Elevated Temperature Plasma Nitriding of CrMoV Tool Steel for the Enhancement of Hardness and Wear Resistance

Contact Info

Product

Resources

About