Ultrasonic assisted creep feed grinding of gamma titanium aluminide using conventional and superabrasive wheels

Bhaduri, Debajyoti; Soo, Sein Leung; Aspinwall, D.K.; Novovic, Donka; Bohr, S.; Harden, P.; Webster, John

doi:10.1016/j.cirp.2017.04.085

Cited by 48 publications

(9 citation statements)

References 13 publications

(20 reference statements)

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“…Therefore, the grinding sharpness of abrasive grains for UVAG processes can be remained stable for a long term and thus the ground surface quality is greater than that of CG processes owing to the fewer grinding surface defects. In addition, the multiple micro ploughing and scratches can be produced due to the axial movement of the workpiece under multi-mode vibration, attributing to reduce the accumulation of removed materials and thus improve the grinding quality [34].…”

Section: Ground Surface Topographymentioning

confidence: 99%

Experimental study on ultrasonic vibration-assisted grinding of hardened steel using white corundum wheel

Qiang¹,

Zhao

Cao³

et al. 2022

Preprint

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Ultrasonic vibration assisted grinding (UVAG) combined with the ultrasonic vibrating method and CG process was proposed, aiming at improving the grindability of hardened steel in conventional grinding (CG) process. Comparative investigations on grinding force, temperature, and specific grinding energy for both grinding processes were studied in detail. In addition, the morphologies of wheel wear surface and ground surface were also conducted. Findings show that in comparison of CG processes, the grinding forces in UVAG are reduced greatly by 16.44% and 17.44%, for normal and tangential forces, respectively. The UVAG process attributes to a lower specific grinding energy by 8.30% owing to the increase of maximum undeformed chip thickness, and a smaller grinding temperature by 19.01% due to the improvement of coolant heat transfer capacity in the grinding arc zone. Meanwhile, the promising grain sharpness of wheels can be guaranteed, resulting from the enhanced cooling function on grinding arc zone and grains micro-fracture caused by ultrasonic impacting actions.

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Section: Ground Surface Topographymentioning

confidence: 99%

Experimental study on ultrasonic vibration-assisted grinding of hardened steel using white corundum wheel

Qiang¹,

Zhao

Cao³

et al. 2022

Preprint

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show abstract

“…Consequently, this complex machining technology is usually used to improve the machining e ciency and surface integrity of di cult-to-cut materials at home and abroad. Bhaduri et al [18,19] conducted a comparison experiment to evaluate the ground surface roughness of TiAl intermetallic and Inconel 718 superalloy under CG and UVAG processes. They found that the grinding quality could be signi cantly improved due to the trajectory interference between abrasive grains by applying the ultrasonic vibrating method.…”

Section: Introductionmentioning

confidence: 99%

On the grinding performance of alumina wheels in ultrasonic vibration–assisted grinding of hardened GCr15 steel

Qiu

Zhao

Cao

et al. 2022

Int J Adv Manuf Technol

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Composite manufacturing with multiple energy elds is an important source of processing technology innovation. In this work, comparative experiments on the conventional grinding (CG) and ultrasonic vibration-assisted grinding (UVAG) of hardened GCr15 steel were conducted with WA wheel. The grinding wheel wear patterns and chips were characterized. In addition, grinding force, force ratio, and ground surface quality were investigated to evaluate wheel performance. Results illustrate that the interaction between abrasive grains and workpiece in UVAG process has the characteristics of high frequency and discontinuity. The wear property of abrasive grains is changed and the grinding force is decreased because the generation of micro-fracture in abrasive grains improves the grinding wheel self-sharpening.Better surface quality is obtained, the surface roughness is reduced by up to 18.96%, and the number of defects on the machined surface is reduced through the superior reciprocating ironing of UVAG.Accordingly, WA wheel performance is improved by UVAG.

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“…Wang et al [18] analyzed in detail the evolution law of abrasive belt wear and the change process of surface texture during abrasive belt grinding, and established the relationship between abrasive belt wear and roughness. Bhaduri et al [19] used conventional SiC and electroplated diamond grinding wheels γ-The ultrasonic assisted creep grinding (UACFG) of TiAl alloy is compared with the traditional creep grinding (CFG). Compared with CFG, UACFG has lower grinding force and higher grinding ratio, and the microhardness can be increased by 8% at most.…”

Section: Introductionmentioning

confidence: 99%

Grinding Force and Heat of Titanium Alloy Abrasive Belt and Its Effect on Surface Integrity

Liu¹,

Xu²,

Xiao³

et al. 2021

Preprint

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Key rotating parts such as integral blisks and blades of aero-engines are widely made of titanium alloys. Abrasive belt grinding is one of the effective methods to improve the surface integrity. However, the grinding process produces greater grinding force and higher Grinding temperature,which have an impact on surface quality. At present, the force-heat coupling relationship in the grinding process and its influence on surface quality have not been explored. In this paper, a titanium alloy belt experiment is carried out to detect the force and temperature in the grinding process, this paper explores the influence of the grinding process parameters on the grinding force and temperature, and analyzes the influence on surface integrity of the force and temperature in the grinding process. The results show that the decrease of the belt linear speed, the increase of the feed speed and the grinding depth leads to the increase of the grinding force, the decrease of the feed speed, the increase of the belt linear speed and the grinding depth cause the temperature to rise. The effect of grinding depth on grinding force and grinding temperature is the most significant. And High grinding force and grinding temperature will cause the surface quality to deteriorate and even more serious defects. However, when the maximum temperature of the grinding temperature field reaches above 120°C, the surface roughness of the workpiece decreases from 1.596μm to 1.093μm, and the height of the surface undulation is reduced from 32μm to 19μm. This paper provides a reference for improving the surface integrity of the grinding process.

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Ultrasonic assisted creep feed grinding of gamma titanium aluminide using conventional and superabrasive wheels

Cited by 48 publications

References 13 publications

Experimental study on ultrasonic vibration-assisted grinding of hardened steel using white corundum wheel

Experimental study on ultrasonic vibration-assisted grinding of hardened steel using white corundum wheel

On the grinding performance of alumina wheels in ultrasonic vibration–assisted grinding of hardened GCr15 steel

Grinding Force and Heat of Titanium Alloy Abrasive Belt and Its Effect on Surface Integrity

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