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In industrial applications, materials with desirable properties play a pivotal role in shaping innovation. Kovar wire, an alloy renowned for its unique characteristics, is a great example of a precision engineered and reliable material.

In this blog post we will look at the distinctive properties of Kovar wire and explore its diverse applications in a variety of industries.

Composition and Properties

Kovar is a nickel-iron-cobalt alloy known for its thermal expansion characteristics, which closely match those of glass and ceramics. Composed of approximately 29% nickel, 17% cobalt, and the remainder iron, Kovar exhibits low thermal expansion over a broad temperature range. This property makes it a great choice for applications where a tight seal is required.

Thermal Stability

Exceptional thermal stability is another great feature of Kovar wire . This alloy maintains its structural integrity under changing temperature conditions, making it a good choice for environments with varying heat levels. This thermal stability is particularly advantageous in applications where maintaining dimensional stability is critical.

Hermetic Sealing Applications

Kovar wire is extensively used in hermetic sealing applications, especially in the electronics and telecommunications industries. Its ability to provide a reliable, leak-proof seal when used in conjunction with glass or ceramics is unparalleled. This makes Kovar an ideal choice for manufacturing electronic components, such as vacuum tubes, transistors, and microwave tubes.

Electronic Packaging Precision

Precision is essential in electronic packaging applications. Kovar wire’s low coefficient of thermal expansion ensures that electronic components housed within Kovar-sealed packages experience minimal stress or deformation due to temperature changes. This precision is necessary for maintaining the long-term reliability and performance of electronic devices.

Diverse Industrial Applications

Beyond its prominent role in electronics, Kovar wire is used in a variety of industrial settings, from aerospace and automotive technologies to medical devices and scientific instruments. The versatility and advantages of Kovar wire make it a popular choice for engineers and manufacturers who need reliability and stability in their designs.

Ken-tron is Your Source for Kovar Wire

Ken-tron draws Kovar metal wire (ASTM F-15) to a variety of diameters. We specialize in small diameter close tolerance wire made to customer specifications. Contact us to discuss your wire needs.

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