Vacuum brazing is a manufacturing process for connecting components to achieve higher thermal performance and lighter solutions. Vacuum brazed cold plate refers to a kind of water cooled plate, which are created by machining two metal plates with internal channels and fin structures (often folded fins or skived fins), which are then carefully sealed together inside a vacuum chamber for heating. A filler metal with a lower melting point is melted into the joints of the cold plate via capillary action under the corresponding technological conditions, and connects two plates with internal channels and fin structures to form an internal flow channel. The vacuum system can be connected to the workpiece so that the pressure inside the workpiece is lower than the atmospheric pressure during vacuum brazing.
Vacuum brazing of copper water cooling plate
For vacuum brazing advantages compared with other connection technologies, vacuum brazing liquid cold plate has obvious following advantages:
Water-cooled plate - vacuum diffusion welding diagram
Vacuum brazed cold plate has unparalleled flexibility in design, as it is not limited by the bending radius limitations of pressure tube cold plate. Heat pipes can also be embedded in the plate to improve heat dissipation. Internal fin structures can be inserted inside the vacuum brazed cold plate channels to increase the surface area in contact with the working fluid, providing greater and better heat transfer.
Vacuum brazed liquid cold plate
As a result of this, vacuum brazed cold plates are the liquid cooling thermal module of choice for power generation, electric car batteries, fuel cell components, and various military, medical and avionics applications.
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However, if you with heat dissipation needs is welcome to contract YY Thermal ( Yuanyang thermal genergy)to get system heat dissipation service program.
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