Effect of posttreatments on the performance of tungsten carbide (K20) tool while machining (turning) of Inconel 718

Thakur, D. G.; Ramamoorthy, B.; Vijayaraghavan, L.

doi:10.1007/s00170-014-6279-4

Cited by 24 publications

(3 citation statements)

References 13 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In contrast, CT tends to relieve the stresses induced during the sintering process that is used to produce carbide tools, which improves the hardness in comparison to untreated inserts. In addition, CT encourages more densification of the cobalt binder which is strongly bonded by tungsten carbides and improves wear resistance and reduces cutting force [142].…”

Section: Cryogenic Application In Manufacturing Engineeringmentioning

confidence: 99%

Correlation between Microstructural Alteration, Mechanical Properties and Manufacturability after Cryogenic Treatment: A Review

2019

View full text Add to dashboard Cite

Cryogenic treatment is a supplemental structural and mechanical properties refinement process to conventional heat treatment processes, quenching, and tempering. Cryogenic treatment encourages the improvement of material properties and durability by means of microstructural alteration comprising phase transfer, particle size, and distribution. These effects are almost permanent and irreversible; furthermore, cryogenic treatment is recognized as an eco-friendly, nontoxic, and nonexplosive process. In addition, to encourage the application of sustainable techniques in mechanical and manufacturing engineering and to improve productivity in current competitive markets, cryo-treatment can be considered as a promising process. However, while improvements in the properties of materials after cryogenic treatment are discussed by the majority of reported studies, the correlation between microstructural alteration and mechanical properties are unclear, and sometimes the conducted investigations are contradictory with each other. These contradictions provide different approaches to perform and combine cryogenic treatment with pre-and post-processing. The present literature survey, mainly focused on the last decade, is aimed to address the effects of cryogenic treatment on microstructural alteration and to correlate these changes with mechanical property variations as a consequence of cryo-processing. The conclusion of the current review discusses the development and outlines the trends for the future research in this field.

show abstract

Section: Cryogenic Application In Manufacturing Engineeringmentioning

confidence: 99%

Correlation between Microstructural Alteration, Mechanical Properties and Manufacturability after Cryogenic Treatment: A Review

2019

View full text Add to dashboard Cite

show abstract

“…in the nickel-based superalloy are featured by hard spots, high strength, and poor heat dissipation. Thus, the nickel-based superalloy has poorer cutting and drilling performance, which is mainly manifested by difficult chip breaking during machining, serious cutting-tool wear, and too fast temperature rising during cutting and drilling [6][7][8]. Drilling is one of the most important working procedures and is often the last one in aerospace manufacturing.…”

Section: Introductionmentioning

confidence: 99%

Experimental Study on the Dry Drilling Nickel-Based Superalloy of CrAlYN Coated Carbide Bit

Gao

et al. 2022

Materials

View full text Add to dashboard Cite

Nickel-based superalloy is regarded as one of the materials with the poorest cutting and drilling performance. Additionally, there is much less research on the drilling of it. This paper aims to study the drilling performance of dry drilling nickel-based superalloy with uncoated and CrAlYN coated carbide bit. First of all, the primary and secondary factors influencing the machining performance of dry drilling nickel-base superalloy uncoated carbide bit were explored through an orthogonal test. Secondly, the self-prepared CrAlYN coated carbide drills, and uncoated drills were compared and analyzed from perspectives of service life, drilling force, drilling temperature, drill surface topography, failure mechanism, and machining surface quality. The research results are as follows: the drilling temperature is the primary factor affecting the drilling performance under dry drilling conditions. CrAlYN coating can obviously prolong the service life of tools, reduce the drilling force and drilling temperature, and improve the machining surface quality at lower rotational speeds. Moreover, the coated cemented carbide bit has a similar failure mode to the uncoated cemented carbide bit after the CrAlYN coating falls off in the wear zone of cemented carbide bit, which is mainly bonding wear on the rear tool surface and the front tool surface.

show abstract

“…Aided by above mentioned properties and poor thermal characteristics of Inconel 718, makes the material poorly machinable, classifying it as difficult to cut at room temperature (Thakur et al, 2015). The heat generated at shear zone gets accumulated at cutting edge due to poor thermal conductivity causing rapid tool wear.…”

Section: Introductionmentioning

confidence: 99%

Multi objective optimisation of thermally enhanced machining parameters of Inconel 718 using grey relational analysis

Ganta

Sagar

Chakradhar

2017

IJMMM

View full text Add to dashboard Cite

Abstract:The present work investigates an experimental study of thermally enhanced machining of nickel-based superalloy Inconel 718 using uncoated tungsten carbide inserts. An inexpensive flame heating technique using an oxyacetylene flame is used as a heat source for thermal enhancement of workpiece. The effects of cutting parameters like cutting speed, feed rate, depth of cut and temperature of workpiece on the performance characteristics like surface roughness, tool wear and material removal rate were studied. A L 27 orthogonal array with four parameters and three levels was adopted for experimental design. Multi response optimisation was done using grey relation analysis to simultaneously minimise surface roughness, tool wear and to maximise material removal rate. It was observed that at cutting speed at 85.21 m/min, feed rate at 0.048 m/min, depth of cut at 0.6 mm and workpiece temperature at 600°C were optimal cutting parameters. It is clearly shown that the above performance characteristics in thermally enhanced machining can be improved effectively through this approach.Keywords: thermally enhanced machining; surface roughness; tool wear; metal removal rate; MRR; Taguchi-based grey relation analysis; ANOVA.Reference to this paper should be made as follows: Ganta, V., Srinivasa Sagar, K. and Chakradhar, D. (2017) 'Multi objective optimisation of thermally enhanced machining parameters of Inconel 718 using grey relational analysis', Int.

show abstract

Effect of posttreatments on the performance of tungsten carbide (K20) tool while machining (turning) of Inconel 718

Cited by 24 publications

References 13 publications

Correlation between Microstructural Alteration, Mechanical Properties and Manufacturability after Cryogenic Treatment: A Review

Correlation between Microstructural Alteration, Mechanical Properties and Manufacturability after Cryogenic Treatment: A Review

Experimental Study on the Dry Drilling Nickel-Based Superalloy of CrAlYN Coated Carbide Bit

Multi objective optimisation of thermally enhanced machining parameters of Inconel 718 using grey relational analysis

Contact Info

Product

Resources

About