Defense Systems Digest - 26 March 2019 / Image Credit: Allvar Alloys

Notable Technical Inquiry

In what ways would a metal having a negative coefficient of thermal expansion (NCTE) have beneficial applications for defense systems?

DSIAC received an inquiry asking if a metal with a negative coefficient of thermal expansion would be of interest for design of defense-related...

Jorge Asiain Sastr, CEng MIMechE image

Voice From The Community

Jorge Asiain Sastr, CEng MIMechE
AlterEvo Ltd.

I am the founder and director at AlterEvo Ltd., an engineering consulting firm that inherited the know-how and expertise of our long experience in oil and gas. Our mission is to improve the profitability of all types of companies by applying the latest advances and developments to optimize process and products. To achieve this goal, we are based in value creation, innovation, and collaboration with the customer. We are results-focused and flexible, giving our customers what they really need. Our services portfolio includes consulting and training related to Asset Management ISO 55001, RAMS Engineering:  life data analysis and reliability and risks assessments, forensic engineering and FRACAS, reliability centered maintenance programs, lean manufacturing and TPM, design for reliability:  finite elements and 3-D printing, and tribology and lubrication programs. Our latest research and works are related to blockchain and machine learning applied to maintenance and asset management. 

Featured News

The 2019 Spring Issue of the Aircraft Survivability Journal has been released. The journal is available for electronic download at The journal is also available for online reading on the Joint Aircraft Survivability Program website,