FE8379 Invar 52 Foil Annealed

Invar 52 Foil Annealed Description

Invar 52 Foil Annealed is a premium iron-nickel alloy known for its exceptionally low coefficient of thermal expansion, making it an ideal choice for applications requiring precise dimensional stability. Offered in customised dimensions to suit specific design needs, this material exhibits excellent mechanical strength, superior consistency, and reliable performance across a wide range of temperatures. Its annealed condition ensures optimal ductility and workability, enabling easy fabrication without sacrificing its inherent stability.

This foil is highly sought after in industries such as aerospace, electronics, and precision instrumentation, where minimal thermal expansion is crucial to avoid misalignments or distortions. Manufactured under strict quality protocols, Invar 52 Foil Annealed undergoes rigorous testing to meet or exceed industry requirements. Whether used in specialised components or advanced research projects, this grade delivers dependable results for critical and high-end engineering applications.

Invar 52 Foil Annealed Applications

Invar 52 Foil Annealed is a nickel-iron alloy known for its exceptionally low coefficient of thermal expansion. This characteristic ensures precise dimensional stability across varying temperatures. Because of its unique properties, Invar 52 finds broad use in industries requiring accurate, stable components. From delicate instrumentation to high-technology aerospace assemblies, this versatile alloy addresses the stringent demands of modern applications and continues to evolve in innovative ways.

1. Electronics Applications

·         Magnetic Shielding: Used to protect sensitive components from electromagnetic interference.

·         Electronic Connectors: Ensures consistent conductivity in circuit boards and other critical assemblies.

2. Aerospace Applications

·         Satellite Assemblies: Maintains structural integrity under extreme temperature fluctuations.

·         Precision Flight Instrumentation: Provides stable frames and enclosures for measuring devices.

3. Metrology Applications

·         Calibration Tools: Guarantees reliable references for dimensional measurements.

·         Optical Bench Components: Supports alignment-critical equipment for high-accuracy experiments.

Invar 52 Foil Annealed Packaging

Our Invar 52 Foil Annealed is carefully wrapped using shock-absorbing materials to minimise handling damage and preserve flatness. We seal each package under vacuum to eliminate moisture and contaminants, and employ corrosion-inhibiting agents to maintain the foil’s integrity. Customisable packaging options, such as reinforced crates or specialised containers, are available to meet unique shipping requirements. Labels clearly identify the foil’s specifications for easy inventory management and traceability.

Packaging: Vacuum sealed, Wooden Box, or Customised.

Invar 52 Foil Annealed FAQs

Q1: What are the key material properties of Invar 52 Foil Annealed?

A1: Invar 52 Foil Annealed offers a coefficient of thermal expansion that is stable across moderate temperatures, making it critical in applications requiring minimal dimensional changes. Its composition is typically around 52% nickel balanced by iron, resulting in excellent dimensional stability and good mechanical strength. The foil’s refined surface and uniform microstructure provide consistent electrical conductivity, while the annealing process enhances ductility and stress relief for improved formability.

Q2: How can Invar 52 Foil Annealed be processed or fabricated?

A2: Invar 52 Foil Annealed can be cut, stamped, or formed using standard metal-forming techniques, thanks to its ductile nature. For bonding or joining, welding processes such as TIG or laser welding maintain structural integrity. Surface preparation, including cleaning and degreasing, is crucial to ensure consistent quality. Thermal treatments should be carefully controlled to maintain the low expansion properties, and cold working can be performed before final annealing to optimise dimensional accuracy.

Q3: Which quality standards and certifications apply to Invar 52 Foil Annealed?

A3: Invar 52 Foil Annealed is often produced and certified according to international specifications, such as ASTM F1684 for controlled expansion alloys. Manufacturers may implement ISO 9001 quality management systems to ensure traceability and consistent performance. Additionally, material test reports (MTRs) verifying composition, mechanical attributes, and dimensional tolerances are commonly provided. Nadcap accreditation may also apply for aerospace applications, guaranteeing reliable production processes and stringent quality control measures.

Related Information

1. Manufacturing Process

The production of Invar 52 Foil Annealed begins with a precise alloy preparation that combines iron and nickel in a strictly controlled ratio. This alloy is then carefully processed into foil form, respecting the unique coefficient of thermal expansion that characterises Invar 52. During rolling, specialised techniques are employed to achieve the desired thickness for customised dimensions, ensuring uniformity and a consistent grain structure. The subsequent annealing step refines the foil’s microstructure, reducing residual stress and enhancing dimensional stability.

Unlike conventional metal shaping methods, manufacturing Invar 52 Foil at custom sizes demands specialised equipment capable of handling delicate, thin-gauge metal sheets without compromising their structural integrity. The annealing cycle is closely monitored to maintain optimal temperature ranges, leading to improved mechanical properties and reduced susceptibility to warping. This meticulous approach enables the production of high-quality Invar 52 Foil that meets exacting precision standards in demanding applications.

2. Quality Control Measures

Strict testing protocols are integral to verifying that each batch of Invar 52 Foil Annealed meets established performance benchmarks. Non-destructive evaluation methods, such as ultrasonic scanning and dimensional checks, confirm that the foil’s thickness, flatness, and surface finish align with customer specifications. Rigorous metallurgical analysis is conducted to assure that the demanding composition requirements for Invar 52 are consistently met, guaranteeing superior thermal expansion characteristics.

Extensive traceability processes ensure that each customised batch of Invar 52 Foil can be tracked from initial material sourcing to final annealing and inspection. Detailed documentation of manufacturing parameters, along with systematic equipment calibration, reinforces the reliability of the final product. By maintaining robust quality control measures, producers of Invar 52 Foil Annealed can confidently supply products that satisfy complex industry demands and deliver long-term stability in critical applications.