{TAIL ~ The metal substrate} prepared in step is immersed in the slurry and subjected to cathodic polarization at a voltage of 100 400 V, thereby glass particles are deposited on {HEAD ~ the metal substrate surface} 
{ TAIL ~ The metal substrate } prepared in step is immersed in the slurry and subjected to cathodic polarization at a voltage of 100 400 V , thereby glass particles are deposited on { HEAD ~ the metal substrate surface }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD