Hiroshi Fuse
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View article: Effect of Mold Lubricant on Flow Length of Al-Mg Alloy in Die Casting
Effect of Mold Lubricant on Flow Length of Al-Mg Alloy in Die Casting Open
The performance of three kinds of mold lubricants was evaluated by testing the flow length of Al-4.7%Mg alloy. The lubricants tested were a heat-insulating type with inorganic compounds (10~20%), a heat-insulating type with organic acid sa…
View article: Effect of Si Content on Property of Al-Si-Mg Strip Cast Using High Speed Twin Roll Caster
Effect of Si Content on Property of Al-Si-Mg Strip Cast Using High Speed Twin Roll Caster Open
Al-Si-Mg alloy strips with a Si content ranging from 0.5% to 12% were cast using a vertical type high-speed twin-roll caster at a roll speed of 60 m/min. The effect of Si content on ripple marks and cracks on the cast surface, as well as c…
View article: Effect of Impurity on Casting of Al-25%Si Heat Sink with Thin Fins
Effect of Impurity on Casting of Al-25%Si Heat Sink with Thin Fins Open
Al-25%Si has excellent fluidity, which allows for the casting of heat sinks with thin and tall fins. During recycling, the content of impurities such as Fe, Cu, and Mg increases. The effect of these impurities on the fluidity of the alloy …
View article: Die-Casting Conditions for Pure Aluminum Heat Sink with Thin Fins
Die-Casting Conditions for Pure Aluminum Heat Sink with Thin Fins Open
Heat sinks with thin and tall fins made from pure aluminum using die casting are in demand due to the higher thermal conductivity of pure aluminum compared to aluminum alloys. However, die casting of thin and tall fins using pure aluminum …
View article: Melt Drag Twin Roll Caster
Melt Drag Twin Roll Caster Open
A melt drag twin-roll caster (MDTRC) was designed to convert vertical burrs at strip edges to horizontal burrs. A prototype MDTRC was assembled and tested. The forming roll is inclined frontward relative to the top of the solidification ro…
View article: Trial Production of Disk Caster for Thin Bar
Trial Production of Disk Caster for Thin Bar Open
In this study, a disk caster to cast thin bars was proposed and assembled, and the test casting of thin bars was carried out. The disk caster consists of a casting disk, a dam disk, and a tundish. A groove was machined on the side of the c…
View article: Mechanical Properties of Roll Cast AC2A Aluminum Alloy Strips
Mechanical Properties of Roll Cast AC2A Aluminum Alloy Strips Open
High-speed roll casting of AC2A aluminum alloys for casting was performed at speeds from 20 to 40 m/min using an unequal-diameter twin-roll caster to investigate the improvement of ductility and sheet forming with roll-cast strips. The wid…
View article: Effects of Fin Height, Base Thickness, Blackening, Emissivity and Thermal Conductivity on Heat Dissipation of Die-Cast Aluminum Alloy Heat Sink
Effects of Fin Height, Base Thickness, Blackening, Emissivity and Thermal Conductivity on Heat Dissipation of Die-Cast Aluminum Alloy Heat Sink Open
The effects of fin height, base thickness, blackening, emissivity and thermal conductivity on the heat dissipation for die-cast aluminum alloy heat sinks were investigated comprehensively. The thermal conductivity and emissivity vary depen…
View article: Influence of Solidifying Layer Peeling on Strip Thickness in Roll Casting
Influence of Solidifying Layer Peeling on Strip Thickness in Roll Casting Open
In Al-Si alloy roll casting, the thickness of the foil and strip decreases as Si content decreases below 2 mass%, contrary to the expectation that the latent heat decreases as Si content decreases. This phenomenon was investigated experime…
View article: Utilization of Recycled Aluminum Alloy for Heat Sinks with Thin Fins Made by Semisolid Die Casting
Utilization of Recycled Aluminum Alloy for Heat Sinks with Thin Fins Made by Semisolid Die Casting Open
View article: Effects of Die Temperature, Die Gap, Plunger Speed and Molten Metal Temperature on Flow Length of Pure Aluminum in Thin Die Gap
Effects of Die Temperature, Die Gap, Plunger Speed and Molten Metal Temperature on Flow Length of Pure Aluminum in Thin Die Gap Open
View article: Adhesion of Aluminum Alloy to Tip of Nozzle Plate of Vertical Type High Speed Twin Roll Caster
Adhesion of Aluminum Alloy to Tip of Nozzle Plate of Vertical Type High Speed Twin Roll Caster Open
In a vertical type high-speed twin-roll caster, the adhesion of solidified aluminum alloy to the nozzle (ASAN) makes problems with the quality of the strip surface. The effects of the Si content of Al–Si alloys and the casting conditions o…
View article: Fluidity of Pure Aluminum in a Narrow Channel Die Gap during Die Casting
Fluidity of Pure Aluminum in a Narrow Channel Die Gap during Die Casting Open
Fluidity tests of 99.9%Al and 99.7%Al were conducted using a die casting machine equipped with a spiral die with a channel gap of 0.5 mm. The effects of die temperature and plunger speed on the fluidity were investigated. To clarify the fl…
View article: Die Casting of Lightweight Thin Fin Heat Sink Using Al-25%Si
Die Casting of Lightweight Thin Fin Heat Sink Using Al-25%Si Open
The demand for lightweight and cost-effective heat sinks is increasing. A typical method for economically manufacturing complex-shape heat sinks is die casting. To reduce the weight of the die-cast heat sinks, thinning the fins and base is…
View article: Fluidity Investigation of Pure Al and Al-Si Alloys
Fluidity Investigation of Pure Al and Al-Si Alloys Open
Fluidity tests of pure aluminum 1070 and Al-Si alloys with Si contents of up to 25% were conducted using a die cast machine equipped with a spiral die. The effects of the channel gap, die temperature, and injection speed on the fluidity we…
View article: Semisolid Die Casting of Hypereutectic Al–25%Si Alloy
Semisolid Die Casting of Hypereutectic Al–25%Si Alloy Open
In die casting, it has been shown that the hypereutectic Al–25%Si alloy has excellent fluidity. In this study we clarified that the semisolid Al–25%Si alloy showed better fluidity than did the molten-metal ADC12 alloy, which is a popular A…
View article: On the Fillability of Thin Fin Shape in Pure Aluminum Die Casting
On the Fillability of Thin Fin Shape in Pure Aluminum Die Casting Open
View article: Effect of Added Si Content on Mechanical Property of Al-Mg Alloy
Effect of Added Si Content on Mechanical Property of Al-Mg Alloy Open
View article: Investigation of fluidity and hot tearing of AC7A aluminum alloy using a spiral die by die-casting
Investigation of fluidity and hot tearing of AC7A aluminum alloy using a spiral die by die-casting Open
View article: Die-casting of pure aluminum alloy
Die-casting of pure aluminum alloy Open
View article: Die-casting of AC7A aluminium alloy
Die-casting of AC7A aluminium alloy Open
Influences of Mn contents and additional Si contents on fluidity of Al-4.5%Mg alloy were investigated in this study. Flow length was evaluated by spiral mold. Evaluation method for hot tearing on die-casting was proposed in this study. Flo…
View article: On the Fillability of Thin Fin Shape in Die Casting
On the Fillability of Thin Fin Shape in Die Casting Open
View article: Study on influence of defect of the die-casting Al-25%Si heatsink on heat dissipation
Study on influence of defect of the die-casting Al-25%Si heatsink on heat dissipation Open
This study investigated the influence of the blow hall and the cold shut on the die-casting Al-25%Si heatsink model heat dissipation. Fin height of heatsink model was 50mm, fin top was 0.5mm and draft angle was 0.5 degree. The weight of he…
View article: J0330105 Fabrication of Ingot with Lotus Type Through-Holes in Semisolid Condition
J0330105 Fabrication of Ingot with Lotus Type Through-Holes in Semisolid Condition Open
In this paper, easy casting method of the ingot with through holes is shown. Core-bar-pulling method is proposed to improve the disadvantages of the lotus type porous metal. The through holes were formed by pulling core-bars from the semis…
View article: 222 Study of producing thin-walled Die-Casting product using Al-25%Si
222 Study of producing thin-walled Die-Casting product using Al-25%Si Open