Study retention of the coating can be determined from the failure pattern of the coating and tin tialn in Table 3 as the disintegration and decomposition .
Study of effect of coating on the island can be considered the Failure Pattern of TiN and TiAlN coating in the table 3, such as Ron dropped and broken .
the study of the island's high-gloss can be considered from the non-stick coating Failure Pattern TiAlN and TiN in table 3 such as the shaking loose and cracked