Vacuum diffusion vuam txheej txheem
Nqus diffusion vuam yog ib txoj kev vuam uas ua kom cov khoom sib txuas zoo nyob rau hauv ib qho kub thiab siab rau ib lub sij hawm nyob rau hauv lub tshuab nqus tsev ib puag ncig, thiaj li hais tias cov atoms ntawm qhov chaw sib cuag diffuse los tsim ib qho kev sib txuas. Txawm hais tias diffusion welding yog txheej txheem vuam nrog keeb kwm ntev, nws tsis tau tsim sai mus txog rau xyoo tas los no. Lub vuam ntawm cov txheej txheem no tsis pom ntawm qhov muag liab qab, thiab tsis tas yuav ntxiv cov khoom siv los yog yaj. Txawm hais tias nyob rau hauv cov xwm txheej ntawm kev nthuav dav, nws yog ib qho nyuaj rau kev soj ntsuam qhov kev hloov ntawm crystal theem. Cov yam ntxwv ntawm diffusion vuam qhov chaw kuj muaj qhov sib txawv ntawm lub zog siab dua, zoo tshaj plaws corrosion tsis kam thiab tsis muaj kuab paug. Ntau daim ntawv thov tshiab, suav nrog hluav taws xob engineering, semiconductors, cov cuab yeej thiab aerospace, pib siv cov txheej txheem tshwj xeeb no vim nws muaj ntau yam zoo.
Advantages of Vacuum diffusion vuam:
1. High joint strength. It is especially suitable for the welding of materials prone to cracks by fusion welding. Since the properties of the base metal are not changed, the chemical composition, microstructure and properties of the joint are the same or close to the base metal, and the joint strength is high.
2. There are many kinds of materials can be used. Diffusion welding can weld a variety of similar metals and alloys, as well as many different materials. If vacuum diffusion welding with transition alloy layer is adopted, heterogeneous or homogeneous materials with great differences in physical and chemical properties and easy to form brittle compounds at high temperature can also be welded.
3. It can be used for the manufacture of parts requiring large-area bonding, laminated members, hollow members, porous members or members with complex internal channels, closed internal assemblies and parts with poor accessibility of other welding methods.
4. Diffusion welding is integral heating, with small component deformation and high dimensional accuracy.
Daim ntawv thov:
Diffusion welding is mainly used for welding small, precise and complex weldments that are difficult to meet the quality requirements of fusion welding and brazing. In recent years, vacuum diffusion welding is more and more widely used in the manufacture of high-power liquid cooling plate . The advantages of small welding deformation and high dimensional accuracy make the liquid cole plate's structural has higher reliability after welding.
