Readthetextcarefully.Writeasentencetodescribeeachofthefollowingterms.(1)heattreatment(2)annealing(3)pletethetable.Whichparagraphmentionsthefollowinginformation?InformationParagraphNumberThegenerallydefinitionofHeatTreatment1ImportanceofHeatTreatmentTheintroductionofannealingThedefinitionofnormalizingTheintroductionofquenchingTheprocessoftempering24567TextTask6WatchVideo8-2carefully.Fillintheblanks.QuenchingTemperingTextTask7Readparagraph4,5,6,7onemoretime.Listtheobjectiveofthe4HeatTreatmentprocesses.ProcessesObjectiveAnnealingNormalizingQuenchingTemperingTosoftenmetalsandtosimultaneouslyproducedesiredchangesinotherpropertiesorinmicrostructures.positionthroughoutapart.Toproducecontrolledamountsofmartensiteinthemicrostructure.Toincreaseductilityandtoughness,andtoincreasegrainsizeofthematrix.
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