minus-squareHighstronaught@feddit.uktoWorld News@lemmy.world•Boeing faces fresh safety questions after engine fire on flight from ScotlandlinkfedilinkEnglisharrow-up3·4 months agoMetals are made of crystals, they usually defourm along the grain boundaries and fatigue cracks also grow along them. By eliminating those boundaries you reduce the chance for fatigue cracks and make the overall blade stronger. linkfedilink
Metals are made of crystals, they usually defourm along the grain boundaries and fatigue cracks also grow along them. By eliminating those boundaries you reduce the chance for fatigue cracks and make the overall blade stronger.