It is the concertration of Nickel chloride out of the electrolyte that have the most effect on the hardness and tensile strength of the electroformed iron metal and iron Alloy.

• 镀液中镍离子含量对电镀层的硬度和强度影响最大， 随镀液中镍离子含量的增加，电铸层强度和硬度提高，而延伸率下降 。