BASE metal, The underlining metal to which alloying agents or metals are added.
基底金属，指合金中的主要金属成份。
2
Hardening and strengthening of metals that result from alloying in which a solid solution is formed. The presence of impurity atoms restricts dislocation mobility.
由于形成固溶体的合金化过程引起的金属硬化和强化，其机制是异类原子的存在限制了位错的可动性。
3
Alloying functions of rare earth metals (REM) in iron and steels are discussed.