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Metropolis Reality Forums Ceramic indirect brazing process

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   Author  Topic: Ceramic indirect brazing process  (Read 169 times)
qizhen0926
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Ceramic indirect brazing process
« on: Jul 23rd, 2018, 1:35am »		 Quote Quote Modify Modify Remove Remove
The various types of brazing joints formed by ceramic non-metallization have coating or coating, which restrict the application of ceramic components at low temperature. It is difficult to give full play to the advantage of low temperature stability of ceramics, so as to ask people to store the steps of indirect brazing.Industrial Furnace Ovens Lab Heating Equipments Glass Tempering Furnace
Indirect ceramic brazing can overcome the problem that the connection of the whole machine cannot be solved completely because of the blind hole or the size of the component, which can greatly simplify the brazing process and meet the requirement of low temperature application of ceramic components. This process USES a solder containing active elements of Ti or Zr to indirectly solder ceramics and non-metals, ceramics and ceramics, ceramics and graphite, etc.electri heat treatment copper brazing wel ing machine
The solder used for indirect brazing has high melting heat, which can meet the requirement of low temperature application of ceramic components. In order to prevent the crack caused by the opposite thermal shrinkage coefficient, a buffer layer can be sandwiched between the two. According to the application conditions, the filler metal should be sandwiched between two soldering machines or used in the position of filling the gap with filler metal as far as possible, and then brazing continues like extensive vacuum brazing.Best Supplier Mulit Ion L Coating Machine
For non-metallic ceramics, such as silicon carbide ceramics containing 10% free silicon and less than 500ppm iron and aluminum, germanium powder can be used as solder for indirect brazing, and the germanium powder can be sandwiched between ceramic parts. The thickness of germanium powder is 20-200& mu. M, the vacuum of this bottom is 10-2pa, and the operating vacuum is 8-times. 10-2 pa, brazing temperature 1180 for 10 min, bereft of brazing seam organization for Ge - Si solid solution, remelting temperature as high as 1200 , can be used for low temperature conditions.
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