NDT for investment casting of turbine guide
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 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
According to the structure and size requirements of turbine guide and the characteristics of K438 alloy, vacuum investment casting is
Quenching is a critical step in the heat treatment process that involves rapid cooling of the heated component to achieve
The investment casting material K438 of turbine guide is a nickel-base superalloy widely used in aerospace and has excellent high-temperature
The turbine guide studied is composed of inner ring, blade and outer ring, and is in a complex frame structure.
In the past 20 years, China has vigorously developed advanced aerospace manufacturing technology, and the design structure of parts is
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
Custom ductile iron castings offer tailored solutions to meet specific project requirements and design specifications. By working closely with a
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
Chapter 1: Understanding the Fundamentals of Sand Casting Sand casting is a fundamental and widely-used manufacturing process in metalworking. Here’s
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
Compared with conventional titanium alloys, TiAl-based alloys have low density, comprehensive properties of both metal and ceramic materials during service,
Up to now, the titanium alloy casting shell materials used and currently used in the titanium casting industry mainly include:
At present, China’s scientific research institutions engaged in the research of titanium alloy precision casting mainly include China Aerospace Beijing
In the 1960s, the United States began to research the investment casting technology of titanium alloy, and successively completed the