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Article
Experimental investigation on the mechanical behavior and fracture mechanism of sandstone after heat treatment
Rocks extracted from deep mining operations often undergo various complex temperature and dynamic load disturbances. In order to investigate the influence of temperature on the mechanical characteristics and f...
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Article
Wettability of umbrella-like surface arrays inspired by springtail skin microstructure
The influence of geometric structural parameters of springtail-inspired surface on wetting behavior was investigated in this report. A Cassie extended wetting model for multilevel hydrophobic structures was pr...
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Article
Study on tool wear mechanism under cryogenic CO2-assisted minimum quantity lubrication technology
Cryogenic CO2-assisted minimum quantity lubrication milling technology is a green processing technology with broad application prospects. Aiming at the problem of tool wear in the application of cryogenic CO2-ass...
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Article
Analysis of cutting forces and chip formation in milling of marble
In this study, high-speed milling of marble was conducted with a coated carbide ball nose end mill. Single-factor cutting tests were designed to investigate the effect of milling parameters on cutting forces a...
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Article
Experimental study on the low-feed grooving process with different grooving tools
The requirement of grooved surface and grooving forces is improved for the machining of precision and small parts in the modern industry. Reducing the grooving feed rate is an effective method to improve the s...
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Article
Optimization and influence of the geometrical parameters of chip breaker for finishing machining of Fe-Cr-Ni stainless steel
In the metal cutting process, a blocked chip needs to be avoided as it leads to low tool life, poor machined surface quality, and large cutting force, whereas an unbroken chip may scratch the machined surface ...
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Article
Constitutive Equations and ANN Approach to Predict the Flow Stress of Ti-6Al-4V Alloy Based on ABI Tests
The flow behavior of Ti-6Al-4V alloy was studied by automated ball indentation (ABI) tests in a wide range of temperatures (293, 493, 693, and 873 K) and strain rates (10−6, 10−5, and 10−4 s−1). Based on the expe...
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Article
Coated carbide tool failure analysis in high-speed intermittent cutting process based on finite element method
Coated carbide tools are widely used in machining titanium alloys due to their excellent wear resistance, high strength, and hardness even at elevated temperature. The paper gives a special attention to the fa...
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Article
Effects of cutting conditions on microhardness and microstructure in high-speed milling of H13 tool steel
In the present study, high-speed side milling experiments of H13 tool steel with coated carbide inserts were conducted under different cutting parameters. The microhardness and microstructure changes of the ma...
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Article
Performance evaluation of ultra-fine grain carbide in high-speed milling of Ti-6Al-4V
An ultra-fine grain carbide cutting tool material was fabricated by using Sinter-HIP technique. Four-tooth solid carbide end mills with a 20 mm diameter and a 0.8 mm corner-radius were manufactured and then co...
