In my January 2024 column, I reported on a new ASTM test method for use in assessing the damage tolerance of sandwich composites under compression loading: the sandwich compression-after-impact (CAI) ...

Figure 1. ASTM D8287 sandwich CAI test fixture and specimen. Photo Credit, all images: Dan Adams Damage tolerance testing of composites refers to the testing of specimens with a centrally located ...

Carbon steel is an iron-carbon alloy. Although pure iron is not intrinsically strong, adding carbon imparts great strength to this material. Crude iron, which is used in steel production, has a high ...

Material resistance to crack growth and fracture is known as fracture toughness (K c), which determines the structural ...

Adhesives in bonded parts are frequently subjected to varying degrees of direct and indirect strain. The capacity of adhesives to endure such strains is crucial to ensure bonds remain reliable and ...