Revolutionizing Manufacturing: The Power of Injection Molding Bulk Metallic Glass


In the realm of modern manufacturing, there is a constant quest for materials that offer exceptional properties, superior strength, and versatility. One such material that is gaining traction is bulk metallic glass (BMG). Combined with the widely used technique of injection molding, BMG holds the potential to revolutionize manufacturing processes across various industries. In this blog post, we will explore the concept of injection molding bulk metallic glass and delve into its applications, advantages, challenges, and the future prospects.

Section 1: Understanding Bulk Metallic Glass (BMG) (word count: 250)

To lay the foundation for our exploration, we need to understand what bulk metallic glass is. Unlike conventional metals, BMG lacks a crystalline structure, giving it unique properties such as high strength, excellent hardness, and exceptional resistance to corrosion. This non-crystalline structure is achieved through rapid cooling during the manufacturing process, which locks the atoms in a disordered arrangement.

Section 2: The Injection Molding Process (word count: 250)

Injection molding is a widely used manufacturing technique, primarily known for mass-producing plastic parts. It involves injecting molten material into a mold cavity, allowing it to cool and solidify, resulting in the desired shape. The injection molding process offers several advantages, including cost efficiency, high production rates, and design flexibility.

Section 3: The Synergy of Injection Molding and Bulk Metallic Glass (word count: 250)

The marriage of injection molding and bulk metallic glass presents a fascinating prospect. The injection molding process, traditionally used with plastics, can now be adapted to mold BMG components. This opens up a vast array of possibilities, as manufacturers can now create complex-shaped parts with the outstanding properties of BMG.

Section 4: Applications of Injection Molding Bulk Metallic Glass (word count: 300)

The applications of injection molding BMG are far-reaching, spanning various industries. In the aerospace sector, BMG components can offer enhanced performance, reduced weight, and improved fuel efficiency. In the medical field, the biocompatibility and corrosion resistance of BMG make it suitable for implants and surgical instruments. The electronics industry can benefit from the unique electrical and thermal properties of BMG in developing high-performance miniaturized devices.

Section 5: Advantages and Challenges of Injection Molding Bulk Metallic Glass (word count: 300)

As with any technology, there are advantages and challenges associated with injection molding bulk metallic glass. Advantages include the ability to create complex shapes, high strength and hardness, corrosion resistance, and excellent mechanical properties. However, challenges such as the limited size of BMG parts, cooling rate control, and the need for specialized equipment need to be addressed for widespread adoption.

Section 6: Future Prospects and Conclusion (word count: 200)

The future looks bright for injection molding bulk metallic glass. Ongoing research and development efforts aim to improve the cooling control, expand the size limitations, and optimize the process parameters. With advancements in the field, we can expect BMG to find a broader range of applications in various industries in the near future.

In conclusion, the combination of injection molding and bulk metallic glass holds immense potential to revolutionize manufacturing processes. The unique properties of BMG, when combined with the design flexibility and cost efficiency of injection molding, open up new avenues for innovations in industries such as aerospace, medical, and electronics. As research continues, we can expect further advancements in this exciting field, enabling the production of high-performing, intricate, and customized BMG components.

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injection molding bulk metallic glass

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Sigma Technik Limited's rapid injection molding service injects molten plastic materials into molds using injection molding machines and molds, and cools and solidifies them over a certain period of time, ultimately forming the required plastic parts. This manufacturing process is usually suitable for producing small and medium-sized plastic parts, which can obtain high-quality and precise parts in a short period of time.

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Injection molding is a common manufacturing process to produce low volume to large volumes of parts typically made out of plastic. The process involves injecting molten material into a mold and letting it cool to a solid-state.

Liquid Silicone Rubber Molding

Liquid Silicone Rubber is known as LSR, which is a process used to produce parts made from silicone rubber, widely used create products such as medical devices, automotive parts, baby care products, and many others.

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2K injection molding is a manufacturing process in which two different types of plastic materials are molded together in a single operation to create a single homogeneous component. This process allows for efficient and cost-effective production of high-quality parts that can perform unique functions.

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Overmolding / Insert molding combines two or more materials into a single part, one of the material is usually soft and flexible, or metal. The purpose of overmolding/insert molding is to add functionality, improve grip, provide protection, or enhance aesthetics.

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ABS is a type of plastic with high strength, hardness, and toughness. It has good impact resistance and wear resistance, and is suitable for manufacturing shells, components, and models.


PC is a transparent, high-strength, high-temperature resistant, and excellent electrical insulation material. It is suitable for manufacturing transparent components, electronic components, and automotive components.


PP is a relatively flexible material with excellent corrosion resistance and high temperature resistance. It is suitable for manufacturing containers, pipelines, baby bottles, etc.


PA is a material with high strength, high rigidity, and wear resistance. It is suitable for manufacturing gears, bearings, brackets, etc.


POM is a material with excellent wear resistance, toughness, and rigidity. It is suitable for manufacturing gears, bearings, pulleys, etc.


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Rapid Injection Molding FAQs

Burrs appear on the surface of the product, which affects its aesthetics and safety. The solution can be to adjust the parameters of the injection molding machine, such as temperature, pressure, speed, etc., or to perform post-processing, such as polishing, sandblasting, etc.

The warping deformation of the product is usually caused by unstable parameters such as temperature and pressure of the injection molding machine, or improper mold design. The solution can be to adjust parameters such as temperature and pressure, or to redesign the mold.

The occurrence of bubbles inside the product may be due to the high temperature of the injection molding machine and the high moisture content of the material. The solution can be to reduce the temperature of the injection molding machine, adjust the water content of the material, increase the pressure of the injection molding machine, etc.

The product size deviation is too large, which may be caused by material thermal expansion, mold deformation and other reasons. The solution can be to adjust parameters and optimize mold design based on material characteristics.