What are the three different sintering stages of alumina ceramics? Sintering is a main process of the entire alumina ceramics in the manufacturing, and many different changes will occur before and ...
Introduction of Silicon Carbide
Silicon carbide (SIC) has a density of 3.2g/cm3. Natural silicon carbide is very rare and is mainly synthesized by artificial method. According to the different clas...
In 1966, General Electric Company developed water electrolytic cell based on proton conduction concept, using polymer membrane as electrolyte. PEM cells were commercialized by General Electric in 1...
AEM is to some extent a hybrid of PEM and traditional diaphragm based lye electrolysis. The principle of AEM electrolytic cell is shown in Figure 3. At the cathode, water is reduced to produce hydr...
At the Fraunhofer Institute for Machine Tools and Forming Technology IWU, researchers are developing advanced technology for manufacturing fuel cell engines with the aim of facilitating their fast ...
2 Experimental results and discussion
2.1 Epitaxial layer thickness and uniformity
Epitaxial layer thickness, doping concentration and uniformity are one of the core indicators for judging the...