Flashcards
Sem título
Flashcards do conjunto (12)
- 1StrengthAbility to withstand forces without breaking
- 2HardnessAbility to withstand scratching rubbing or denting
e.g files and drills - 3Toughnessa measure of how hard it is to break or snap a material. changes shape instead
e.e bullet vests - 4what is elasticity ? one examplea measure of how much a material can stretch and bend and then return to their original shape
e.g spring - 5What is strength to weight ratiothe ratio of how strong a material is to its weight. a good s:w is high strength:low weight
e.g. spacecraft - 6plasticallythe ability to change shape permanently without cracking or breaking
- 7impact resistanceability to withstand a sudden force and no crack
e.g metals (majority anyway) - 8chemical resistancethe ability to not degrade when in contact w/ a chemical
- 9flexibilitythe ability to bend
don't have to return to normal shape is the difference between elasticity and flexibility - 10Thermal Conductivitythe ability to allow heat to travel through the material easily
- 11Electrical Conductivitythe ability to allow electricity travel through them easily
- 12Malleablethe ability for a material to be hammered or pressed into shape without breaking or cracking.
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- Descrição
- FlashCards sobre Sem título, criado por Zahra Boret em 26-05-2015.
- Criado por
- Zahra Boret
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