Metal plating layer of copper powder, metal substrate, energy saving heat dissipation device capable of preventing expansion and explosion, and manufacturing process thereof

摘要

The invention provides a preparation process of a copper powder metal coating, a metal substrate with the metal coating, an energy-saving and anti-burst heat-dissipation device and a preparation process thereof. The preparation process of the copper powder metal coating comprises the step of metal layer adhesion. During adhesion, the temperature of liquid in a working tank is 1-15 DEG C. The stepof metal layer adhesion at least comprises the processes of adhesion of a base coat, adhesion of a snowflake-shaped metal layer and adhesion of a fastening layer, and the metal layer which is obtainedby adhesion and has a snowflake-shaped structure is large in capillary force and good in evaporating property. The metal substrate with the copper powder metal coating and the energy-saving and anti-burst heat-dissipation device are energy-saving and environmentally friendly in the preparation process, and have the large capillary force and good evaporating property; the hardness of the metal substrate can be maintained; and the swelling resistance is good. The thickness of the energy-saving and anti-burst heat-dissipation device can be 0.3 mm, and the technological difficulty that the thickness of a heat tube heat-dissipation device in the prior art only can be 0.6 mm is solved.