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Learn More About Negative CTE and ALLVAR Alloys

Add negative CTE to your design toolbelt! At ALLVAR, we aim to provide resources to help innovators design and use negative thermal expansion in their projects and applications. ALLVAR University was established as a resource to help teach the fundamentals of designing with negative thermal expansion.

ALLVAR News and Blog – Dig deeper into the regularly updated blogs to learn more about specific ALLVAR Alloys use cases and news.

Video Library – ALLVAR offers a wide range of educational videos on the principals of thermal expansion. Learn how these properties fit into the design of optical and mechanical systems. Want to see negative thermal expansion in use? Check out the demo videos to see ALLVAR Alloys in action.

Papers and Presentations – Here you can find links to publications related to ALLVAR Alloys and externally published presentations.

SOLIDWORKS Material Definition – Want to model ALLVAR Alloy 30 within SOLIDWORKS? We can help. Request the material definition here.

Negative CTE Blog Posts

Learn more about the work being done towards negative CTE alloys and their applications in the ALLVAR blog series.

Invar vs. ALLVAR Washers: Save Weight & Maintain Preload

Invar and ALLVAR Washers and Spacers: Benefits and Differences Invar washers have long been the go-to solution for thermally stable joints in precision instruments, aerospace,

ALLVAR Gets Ready for Aerospace: Material testing for confidence

ALLVAR Alloy 30 Design Allowable Properties are here! From analysis to manufacturing high quality products, engineers need accurate material property data. As a material supplier,

Carbon Fiber Reinforced Polymers (CFRP) vs ALLVAR: Near Zero Thermal Expansion Materials

Carbon Fiber Bar and Tube vs ALLVAR Alloys Bar and Tube In the realm of advanced materials for precision structures, carbon fiber reinforced polymers like

2024 Year in review with a 10 years in business banner below to celebrate 10 years of negative CTE ALLVAR Alloys

A Milestone Year for ALLVAR: 2024 YEAR-IN-REVIEW

A Message from James A. Monroe, Founder & CEO 2024 marks ALLVAR’s ten-year anniversary and my goodness have we come a long way. Since

Athermalizing Mounted Doublets with ALLVAR Alloys: Unlocking New Possibilities in Athermal Optics

Increasing your options on the athermal glass map. As a ray tracer, what potential athermal designs could you unlock if optical your glass choices were

Tips for Designing with ALLVAR Alloys: Simplified Thermal Design

Want to learn more about how ALLVAR alloys can help with your thermal design? Find these tips, tricks, and rules of thumb to start designing

2023 Year In Rewview Image. The Title reads 2023 year in review with images from the allvar team at SPIE Defense and Commercial Sensing, Mirror Technology days, and an image of work being done on the Nancy Grace Roman Space Telescope

Looking back and launching forward: 2023 YEAR-IN-REVIEW

A Message from James A. Monroe, Founder & CEO To Everyone Rooting For ALLVAR, The ALLVAR team has been working hard in 2023 and is ready

Unlocking the Cosmos: ALLVAR’s Role in the Nancy Grace Roman Space Telescope

ALLVAR is headed to space in a big way! Find out how ALLVAR Alloys are being used aboard the Nancy Grace Roman Space Telescope to

Thermal compensation washers now available with COTS item numbers!

New commercially-off-the-shelf ALLVAR thermal compensation washer have arrived! Learn more here.

Learn More About Negative CTE and ALLVAR Alloys

Add negative CTE to your design toolbelt! ALLVAR offers a wide range of educational videos on the principals of thermal expansion. Learn how these properties fit into the design of optical and mechanical systems. Want to see negative thermal expansion in use? Check out the demo videos to see ALLVAR Alloys in action.