AC PMIG arc stability and its ontrol;

Analysis on the arc stability of self-shielded flux-cored wire

By means of uniform designing,the relationship between the alternating current arc stability of and the coating materials such as the marble,wollastonite etc.

Chemical surface treatment and charge stability of polypropylenecellular electret film;

Preparation and charge stability of SiO_2/Si_3N_4 double layer electret used in micro electro mechanical system;

It has been indicated by TSD current spectra that the charge stability of the chemically treated PP films by extraction, oxidation, and HF solution is significantly improved while that of the HF-treated PET films becomes bad.

The results reveal that the nanocrystalline films by annealing at 500℃ in(acidic) environments present much more excellent electrical stability and good long-term reliability than the films in alkaline environments at 25℃.

Studies of the doped thermistors show that their resistances vs temperature behaviors are similar to those undoped,while their resistivities at 25℃ and their sensitivity indexes are increased and their electrical stability is nearly tripled.

The electrical stability and corro.

The development status and progress of technology about electrical resistance stability which was a key to study polymer PTC(positive temperature coefficient) conducting material and its application were reviewed.