Negative Coefficient of Thermal Expansion Resources

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ALLVAR University

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.

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.

The message on the left says Thermal Compensating Washers: a basic guide, while the right side shows five thermal compensating washers that can be used to tackle CTE Mismatch.

Thermal Compensating Washers for CTE Mismatch

Learn how to use negative thermal expansion ALLVAR washers or spacers to maintain a constant preload and tackle CTE mismatch.

The Evolution of Athermal Design

Athermal design owes its foundations to an 18th century clockmaker’s designs. ALLVAR Alloys will help you revolutionize your design.

Design with Athermal Materials in Solidworks

Athermal Material design is easy with the SOLIDWORKS ALLVAR Alloy 30 material definition. Request the file here and design with negative thermal expansion today!

Closing out 2022 Strong:
ALLVAR Year-in-review

ALLVAR founder, James Monroe Ph.D. , looks back at 2022 and the developments made for negative thermal expansion alloys and their applications.

Cryogenic Solutions for Thermal Expansion

A short article about ALLVAR Alloy 30 washer compensated joints in cryogenic environments

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.