Impro Blogs on Investment Casting

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The Role of 3D Printing in Investment Casting
March 5th, 2024
Investment casting yields accurate metal parts with detailed features, thin walls and smooth surfaces. This is achieved by using wax patterns that replicate the part being made. These patterns can now be made by 3D printing, which saves time and
Materials Matter: Choosing the Right Alloy for Investment Casting
January 30th, 2024
Investment casting works well for complex parts with fine features. Being near-net shape, it minimizes secondary machining, which can lower costs and reduce lead time. It’s not ideal for all metal alloys though. This blog discusses what’s involved in choosing
Material Selection for Gas Turbine Nozzle Assemblies
September 19th, 2023
Not many alloys can survive in the environment downstream of the combustion chamber in a gas turbine engine. It’s too hot, forces are high, the gases are extremely corrosive and they’re flowing quickly. Together, these factors make material selection one
Manufacturing Techniques for Gas Turbine Nozzle Assemblies
September 12th, 2023
In a gas turbine engine the nozzle assembly comes just after the combustion chamber. It directs fast moving gasses onto the turbine blades that generate the rotary motion needed for power generation. It’s a complex piece of engineering, produced in
17-4 Stainless Steel Investment Casting and its Applications
September 5th, 2023
Stainless steel is produced in a large number of grades that have austenitic, ferritic or martensitic structures. 17-4 is a martensitic grade that can be precipitation hardened, (leading to the 17-4 PH designation). It’s often investment cast and is a
Thin-Walled Investment Casting and its Applications
August 29th, 2023
Wall thickness refers to the distance between opposite sides or surfaces of a solid metal cast region. In a part like a cover the wall thickness is the distance between inner and outer surfaces. Thin walls are difficult to cast,
Stainless Steel Investment Casting and Its Aerospace Applications
August 21st, 2023
Stainless steel is preferred for many aircraft engine, structural, fuel and hydraulic system applications. Providing a combination of strength and corrosion-resistance, it supports weight reduction goals and facilitates factors of safety of 1.5. Part mass is minimized by investment casting.
Understanding the Design and Engineering of Gas Turbine Nozzle Assemblies
August 18th, 2023
Gas turbine nozzle components are some of the most highly engineered parts manufactured anywhere. They need to survive high temperatures, corrosive atmospheres, vibration and centrifugal forces, and the challenges are growing as gas turbine manufacturers push for higher temperatures and
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