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Article
Research on Green Casting Technology and Equipment of Digital Frozen Sand Mold
To promote the green and sustainable development of the foundry industry, it is necessary to further explore the new method, new technology, and new equipment for green foundry. In this paper, an innovative gr...
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Article
Effect of Different Z-directional Fibers on Mechanical Properties of Composites Using Numerical and Experimental Tests
Based on the flexible oriented three-dimensional woven process, the Z-directional mechanical properties of carbon fiber reinforced composite were investigated. The tensile properties of fibers with different K-bu...
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Article
Open AccessStudy on the Distribution of Frictional Forces on Z-yarn Continuous Implanted Preforms and Their Applications
To improve the quality and efficiency of Z-directional 3D preform forming, the Z-yarn frictional force distribution model of the preform and its wear mechanism were investigated. In this study, a tensile force me...
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Article
Open AccessEffect of contact forms on the wear of hard silicon surfaces by soft polymers
The mechanism of hard surfaces worn by soft polymers is not clearly understood. In this paper, a new hypothesis has been proposed, it holds that the stress acting on the hard surface under certain working cond...
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Article
Open AccessInterfacial Bonding Mechanism and Mechanical Performance of Continuous Fiber Reinforced Composites in Additive Manufacturing
The additive manufacturing of continuous fiber composites has the advantage of a high-precision and efficient forming process, which can realize the lightweight and integrated manufacturing of complex structur...
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Article
Numerical analysis of out-of-plane thermal conductivity of C/C composites by flexible oriented 3D weaving process considering voids and fiber volume fractions
Thermal conductivity behaviors are one of the most important evaluations of carbon fiber-reinforced carbon matrix (C/C) composites in the field of thermal protective structures. In order to deepen the understa...
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Article
Digital high-efficiency print forming method and device for multi-material casting molds
Sand mold 3D printing technology based on the principle of droplet ejection has undergone rapid development in recent years and has elicited increasing attention from engineers and technicians. However, curren...
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Article
Research on the plastic fluidity of high-strength steel 22MnB5 based on the thermal-mechanical-fluid multi-filed coupling
The effects of technological parameters such as pre-deformation, strain rate, and final forming temperature on the formability of high-strength steel 22MnB5 were studied. Firstly, the finite element model of t...
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Article
Hybrid forming mechanism of patternless casting and laser cladding
In accordance with the requirement of manufacturing dies quickly and economically, a hybrid forming method of stam** dies for automobile panels is proposed. The method combines digital patternless casting an...
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Article
Effect of Yarn Distortion on the Mechanical Properties of Fiber-Bar Composites Reinforced by Three-Dimensional Weaving
A meso-structure model of fiber-bar composites reinforced by three-dimensional weaving (FBCR3DW) is proposed. Optical microscopy images of the preform structure revealed that the fibers along the circumference...
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Article
Fabrication of WC-Co cutting tool by powder injection molding
In this work, a cutting tool for sand-mold milling was fabricated by powder injection molding (PIM) technology using 90WC-10Co alloy powder for machining sand molds in patternless sand-casting technology. The ...
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Article
Hot stam** die design for vehicle door beams using ultra-high strength steel
The energy saving and safety is the eternal theme of development of automobile industry. Ultra-high strength steel automotive body structures of hot stam** have been widely used with these dual advantages th...
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Article
Key manufacturing technology & equipment for energy saving and emissions reduction in mechanical equipment industry
Based on analysis of the current situation in the mechanical equipment industry, this paper introduces manufacturing technologies and equipment for sustainable development in the mechanical equipment industry....
