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The gravity top-pouring casting process is selected. Due to the complex internal structure of the turbine guide casting, hot spots

As shown in the figure, the finished product of the investment casting of the turbine guide poured by this gating

As shown in the figure, the solid fraction and shrinkage porosity distribution of the gating system, where the shrinkage porosity

The premature solidification at the intersection of the inner runner and the investment casting of the turbine guide in the

The solidification process of the investment casting of the turbine guide is shown in Figure (a). The melt begins to

The investment casting material K438 of turbine guide is a nickel-base superalloy widely used in aerospace and has excellent high-temperature

The investment casting process is used to produce 100 rod-shaped titanium alloy castings in batches. The cast titanium alloy castings

The wax mold is made with medium-temperature wax, the gating system scheme is the optimized investment casting process scheme for

Through the simulation analysis of two investment casting process schemes, it is determined that the theoretical scheme of proportional solidification

Figure 1 shows the mold filling and solidification of the investment casting process plan. It can be seen from Figure

Figure 1 shows the mold filling and solidification of the investment casting process plan. From Figure 1, it can be

The density of titanium alloy is small, and the static head of feeding in the mold during vacuum casting is

Titanium alloy has low density, high strength and good corrosion resistance, and is widely used in aerospace, naval and other

With the upgrading and continuous development of aerospace military equipment, civil aviation and commercial aerospace products, higher requirements are put

Metal Injection Molding (MIM) is a new powder metallurgy forming technology developed on the basis of plastic injection molding. It

Semisolid forming (SF) was proposed and founded by Professor Flemings of Massachusetts Institute of Technology and his scientific research team

Additive manufacturing technology has become one of the key supports to improve the technical level in the aerospace field. At

In recent years, a lot of new processes and technologies have emerged, which have formed a strong competition for investment

At present, the investment casting process of magnesium alloy in China mainly adopts dry sand molding process and gypsum molding

As a metal structural material, the density of magnesium alloy is only 1.74g/cm3, about 2/3 of aluminum and 2/5 of

Aluminum alloy investment castings have been widely used in aerospace engines, airframe structures and airborne equipment. The mechanical properties can