KIM LOAI

....tinh chat:

..dac trung co tinh: la kha nang chong lai bien dang deo cuc bo cua vat lieu thong wa mui dam (do cung)

..do ben: la tap hop cua cac dac trung co hoc phan anh suc chiu dung tai trong co hoc tinh cua vat lieu, chung dc xac dinh bang ung suat quy uoc cua tai trong, gay ra cac dot bien ve hinh hoc cho mau do

..do deo: la tap hop cac chi tieu co tinh phan anh do bien dang cua vat lieu khi bi pha huy duoi tai trong tinh

..do dai va va dap: la cong(Ak) tieu phi khi pha huy dong mau co vet khia chi cho dien tich tiet dien ngang

HOP KIM

....a. khai niem: la vat the mang tinh chat cua kim loai gom 2 hay nhieu nguyen to ma trong do it nhat 1 nguyen to la kl con nguyen to phu co the la a kim hay kl

....b. tinh chat:...tinh cong nghe: hop kim tot hon kl o tinh duc,han, gia cong cat got, gia cong ap luc.

..co tinh: hop kim co do ben, cung cao. hop kim nguyen chat do deo nho hon kl nguyen chat