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H13 steel mold vacuum heat treatment
In recent years, the development of my country’s mold industry is very rapid, especially the continuous development and wide application of CAD/CAM technology, so that the production capacity of molds has increased rapidly, and the annual rate of increase is about 15%. In industries such as...
Vacuum heat treatment process of tool steel
S7 steel can be used to make cold work and vacuum hot work molds. The hardness of the steel after forging is about HRC52. It must be softened and vacuum annealed to reduce the hardness. It is convenient for cutting, and then vacuum quenched and vacuum tempered to meet the performance requirements...
Vacuum Brazing of Mechanical Blades
Generally speaking, the main function of a mechanical blade is a tool for cutting wood, leather, printing, and glueboard and other materials. There are many types and specifications of blades. However, due to the particularity of mechanical inserts in cutting, the requirements for inserts are rel...
Silicon carbide mirror reaction sintering
Silicon carbide ceramics, as one of the candidate materials for large-sized light-weight mirrors for space, has excellent comprehensive advantages compared with traditional glass and metal materials, such as high specific stiffness, small thermal expansion coefficient, good thermal conductivity, ...
The importance of brazing holding time
The brazing holding time is an important stage for the filler metal to fill the gap and control the alloying effect, and the effect on the joint strength is similar to that of the brazing temperature. A certain holding time is necessary for the mutual diffusion of the solder and the base metal to...
Low pressure vacuum carburizing process of Cr17Ni2 stainless steel
Materials The Cr17Ni2 stainless steel parts are used as connecting rods, and the furnace sample is a ring sample with an outer diameter of q24 mm, an inner diameter of 7 mm, and a thickness of 6 mm. The furnace sample is the test sample. After carburizing, the surface hardness is required to be ≥...
Vacuum heat treatment of high speed steel
High-speed steel originated at the end of the 19th century. It is a high-carbon and gold-containing cutting tool steel containing a large amount of W, Mo, Cr, V, Co and other alloying elements. After vacuum heat treatment, high-speed steel still maintains high hardness at a high temperature of 60...
Battery cooler vacuum brazing
Vacuum brazing is to heat and heat the structural parts in a vacuum state, so that the brazing filler metal melts within a suitable temperature and time range, and fully infiltrate, dissolve, diffuse and weld with the solid metal under the action of capillary force, so as to achieve An advanced w...
Vacuum heat treatment furnace for copper alloys
The vacuum heat treatment of copper alloy is mainly heating and vacuum annealing for different purposes. Only alloys of individual grades, such as bronze plating, can be vacuum quenched and vacuum tempered. Annealing for different purposes are: softening annealing, finished annealing and billet a...
Martensitic stainless steel vacuum sintering heat treatment
As a special steel with high alloy content, martensitic stainless steel has become an indispensable material in engineering and daily life. Adding carbon to chromium-containing steel expands the austenite, making it like carbon steel to transform austenite into martensite through heat treatment, ...