Kev paub txog lub ntsiab lus thiab kev xaiv
Qhov chaw tsim kho rwb tsho muaj kev paub ntau txog lub ntsiab lus uas pab lawv xaiv cov alloy zoo tshaj plaws rau qhov siv tshwj xeeb, kom muaj qhov zoo dua ntawm qhov ua haujlwm thaum kawg tab sis tsis tas ntau nqi. Cov neeg nyob hauv qhov chaw no muaj kev paub ntau txog cov khoom siv los yog alloys cuab yeej, zinc, magnesium, thiab copper, paub meej meej txog cov khoom siv txawv sib txawv li cas feem xyuam rau qhov ua haujlwm, kev tiv thaiv roj teeb, kev sib txuas thiab sib poob, thiab kev tsim kho. Qhov kev pab xaiv khoom siv uas cov chaw tsim kho rwb tsho muab faib rau cov neeg siv khoom feem xyuam rau qhov chaw siv, qhov tso siab ceev, qhov kawm hneev, thiab qhov nqi txwv kom xaiv cov alloy zoo tshaj rau txhua qhov siv. Qhov kev paub txog aluminum die casting tau suav nrog kev paub txog cov alloy tshwj xeeb xws li A380, A383, A390, thiab lwm yam, txhua qhov muaj cov kev zoo tshwj xeeb rau qhov siv tshwj xeeb xws li cov khoom siv xeem zoo rau xe tuaj muag lossis cov khoom siv hneev tshaj rau aerospace. Qhov kev paub txog zinc alloy uas cov chaw tsim kho rwb tsho muaj tau suav nrog kev paub txog Zamak grades uas muaj kev nruj siab, qhov surface finish zoo, thiab kev tiv thaiv roj teeb zoo dua rau qhov siv hluas. Qhov kev paub txog magnesium pab rau cov chaw tsim kho rwb tsho tsim cov khoom siv hneev tshaj tias tshaj plaws rau qhov siv uas yuav tsum kom hneev tshaj, xws li cov steering wheel rau xe, cov khoom siv rau electronic device, thiab cov khoom siv portable. Qhov kev sim khoom siv uas cov chaw tsim kho rwb tsho muaj tau suav nrog kev sim tensile strength, kev sim hardness, kev sim corrosion resistance, thiab kev sim fatigue life, muab cov ntaub ntawv ntau rau cov neeg siv khoom kom paub meej txog qhov ua haujlwm ntawm khoom siv. Qhov kev paub txog kev tsim kho tam sim tom qab pab rau cov chaw tsim kho rwb tsho xaiv cov kev ua haujlwm tshwj xeeb xws li kev ua haujlwm nrog qhov ua kom sov, kev sau cov coating, thiab kev tsim kho machining uas pab ntxiv qhov zoo ntawm khoom siv lossis hloov qhov surface characteristics. Qhov kev paub txog kev rov qhia khoom siv uas cov chaw tsim kho rwb tsho muaj pab kom siv khoom zoo dua, ntau qhov chaw muaj kev rov qhia khoom siv ntau dua 90% rau aluminum thiab lwm yam khoom siv, kom tsis tas ntau nqi raw material thiab kom tsis muaj kev puas tsuaj rau dej thiab av. Qhov kev trol kev ua haujlwm zoo (quality control) tshwj xeeb rau txhua hom khoom siv pab rau cov chaw tsim kho rwb tsho pom cov teeb meem tshwj xeeb xws li porosity, inclusions, lossis cov teeb meem ntawm grain structure uas yuav tshwm sim kev puas tsuaj rau qhov ua haujlwm. Qhov kev xav ntxiv txog khoom siv uas cov chaw tsim kho rwb tsho ua tsov pab lawv paub meej txog cov alloy tshiab, kev pab ntxiv hauv kev tsim kho, thiab cov qhov siv tshiab uas yuav pab cov neeg siv khoom.