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RISPhase Transformation Prediction Considering Crystallographic Orientation in Microgrinding Multiphase Material
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This investigation proposes a physics-based model to predict the solid-state phase transformation of maraging steel subjected to microgrinding. In microgrinding, the effect of crystallography is significant on the grinding ...
Characteristics and Mechanism of Top Burr Formation in Micro-Milling LF21
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: During micro-milling aluminum alloy LF21 process, it tends to produce large top burr usually detected at the top of slot walls. Therefore, the machining accuracy and quality of the micro-parts are difficult to satisfy. To ...
An Improved Iterative Predictive Model for Grinding Residual Stress Considering Material Microstructure Evolution
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: During micro-grinding, multiple abrasive grains on grinding wheel circulate on the workpiece causing alternating mechanical and thermal loads which result in microstructure evolution. The microstructure evolution affects ...
Microstructure Effects on Cutting Forces and Flow Stress in Ultra Precision Machining of Polycrystalline Brittle Materials
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a physicsbased analysis to quantitatively describe the effects of grain size, grain boundaries, and crystallographic orientation on the flow stress of the polycrystalline material and thereby on the ...
Crystallographic Effects on Microscale Machining of Polycrystalline Brittle Materials
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper studies the effects of crystallography on the microscale machining characteristics of polycrystalline brittle materials on a quantitative basis. It is believed that during micromachining of brittle materials, ...
Study of the Shear Strain and Shear Strain Rate Progression During Titanium Machining
Publisher: The American Society of Mechanical Engineers (ASME)
Predictive Modeling of Microgrinding Force Incorporating Phase Transformation Effects
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: This study investigates the prediction of maraging steel C250 microgrinding forces by incorporating phase transformation effects with the manufacturing process mechanics. The results could consequently increase the accuracy ...
Experimental Investigation of Residual Stress in Minimum Quantity Lubrication Grinding of AISI 1018 Steel
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Minimum quantity lubrication (MQL) is a promising alternative to conventional flood cooling to substantially reduce lubricant cost and converse energy. Literature survey shows lack of investigation on the influence of MQL ...
Tool Point Frequency Response Prediction for Micromilling by Receptance Coupling Substructure Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: One of the challenges in micromilling processing is chatter, an unstable phenomenon which has a larger impact on the microdomain compared to macro one. The minimization of tool chatter is the key to good surface quality ...
A Novel Approach of Tool Wear Evaluation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The high-efficiency utilization of cutting tool resource is closely related to the flexible decision of tool life criterion, which plays a key role in manufacturing systems. Targeting a flexible method to evaluate tool ...