FE8366 Invar 42 Foil Thickness 0.01 inch

Invar 42 Foil Thickness 0.01 inch Description

Invar 42 Foil with a thickness of 0.01 inch is well-known for its minimal thermal expansion, making it an exceptional choice in applications that demand high dimensional stability. It contains approximately 42% nickel and 58% iron, a composition designed to minimise changes in size across a broad temperature range. The consistent, low coefficient of thermal expansion supports precision in sensitive components, helping maintain exact measurements and reliable performance.

This foil is frequently utilised in the electronics industry, hybrid circuit technologies, and sealed glass-to-metal assemblies. Meticulously produced to meet stringent quality standards, Invar 42 Foil offers excellent formability and toughness. Its tight dimensional tolerances and consistently reliable performance make it a trusted solution in advanced engineering and critical instrumentation.

Invar 42 Foil Thickness 0.01 inch Applications

Invar 42 Foil with a thickness of 0.01 inch offers a unique combination of low thermal expansion and stable mechanical properties. This specialised alloy is widely chosen for applications requiring tight dimensional control or temperature resilience. From advanced electronic devices to aerospace components, Invar 42 Foil provides reliability and performance in challenging environments, making it a preferred material in technical industries.

1. Electronics Applications

·         Precision Resistors: Invar 42 Foil ensures minimal temperature-induced changes, ideal for stable resistor elements.

·         Crystal Oscillator Housings: Maintaining precise frequencies is critical, and Invar 42’s low expansion rate supports consistent performance.

2. Precision Instrumentation

·         Measurement Gauges: Minimises dimensional drift under temperature variations for reliable readings.

·         Optical System Mounts: Ensures stable alignment in sensitive optical assemblies.

3. Aerospace 

·         Satellite Components: Offers reliability in extreme temperature fluctuations, preserving structural integrity.

·         Guided Missile Systems: Provides predictable behaviour under dynamic thermal conditions.

Invar 42 Foil Thickness 0.01 inch Packaging

Invar 42 Foil with a 0.01-inch thickness is meticulously protected with specialised wrapping and cushioned packing materials. Each piece is placed in a vacuum-sealed bag to minimise exposure to moisture and contaminants. Anti-corrosion treatments, including desiccant insertion, further guard the foil from oxidation during transit and storage. Upon request, custom packaging solutions—such as additional cushioning or alternative sealing methods—are available to address specific handling and regulatory requirements.

Packaging: Vacuum sealed, Wooden Box, or Customised.

Invar 42 Foil Thickness 0.01 inch FAQs

Q1: What are the key material properties of Invar 42 Foil Thickness 0.01 inch?

A1: Invar 42 is a nickel-iron alloy known for its low coefficient of thermal expansion and exceptional dimensional stability. With a thickness of 0.01 inch, it maintains tight tolerances in applications such as semiconductor packaging and precision instruments. Its composition of approximately 42% nickel provides tailored thermal expansion properties, good strength for thin foil, and reliable performance under varying temperatures and mechanical stresses.

Q2: How can this Invar 42 product be processed or fabricated?

A2: Invar 42 foil at 0.01 inch thickness can be processed through precise stamping, photochemical etching, and laser cutting, ensuring clean edges and minimal dimensional distortion. Due to its low thermal expansion, consistent temperature control is crucial during welding or brazing. Heat treatments can be utilised to optimise mechanical properties and stress relief, while careful handling reduces surface damage and maintains the foil’s integrity.

Q3: Which quality standards and certifications apply to Invar 42 Foil Thickness 0.01 inch?

A3: Invar 42 foil commonly complies with standards including ASTM F1684 for vacuum and controlled atmosphere performance. Manufacturers often certify compliance with ISO 9001 for quality management and AS9100 for aerospace applications. In addition, strict internal quality checks verify foil thickness, composition, and mechanical properties. Third-party certifications ensure traceability, ensuring the foil meets stringent customer and industry-specific requirements for performance and reliability.

Related Information

1. Applications in Advanced Industries

Ranging from aerospace engineering to high-precision electronics, Invar 42 Foil with a thickness of 0.01 inch is sought after for its exceptionally low thermal expansion properties. These properties enable the foil to maintain dimensional stability during drastic temperature fluctuations, making it an ideal component in sensitive devices such as satellite components and laser optical systems. By integrating this foil into delicate instruments, manufacturers can achieve superior performance and reliability even in harsh operational environments.

Combining nickel and iron in a precise composition, the Grade Invar 42 material ensures minimal reactive behaviour under extreme conditions. This stability is particularly advantageous for industries requiring accurate heat control, including semiconductor fabrication and metrology. Its foil form, at just 0.01 inch thick, further allows for compact designs in space-constrained applications, supporting advancements in lightweight structures without sacrificing strength.

2. Manufacturing Process

Incorporating specialised melting and refining techniques, the production of Invar 42 Foil focuses on achieving the desired alloy composition and consistency. Multiple quality checks throughout the process ensure that the iron-nickel ratio remains balanced, allowing the alloy to retain its trademark low expansion coefficient. Once the alloy is cast, it undergoes controlled rolling procedures that gradually reduce it to the precise 0.01-inch thickness required for high-precision applications.

Obtaining a uniform thickness and smooth surface finish is paramount to maximise the foil’s performance. During the final rolling stages, the material is rigorously tested for tensile strength and elasticity. Achieving these critical properties plays an instrumental role in yielding a foil that can handle intricate engineering demands, such as fine stamping processes and assembly within sensitive instrumentation.