Abstract:
:Chemical mechanical polishing (CMP) of cpTi (Ti) was carried out using two types of slurries, acidic and basic colloidal silica containing H2O2 up to 3 wt%, to obtain flat and mirror-polished surfaces without any contaminated and reacted layers. Polishing behavior and surface properties were investigated using AFM, EPMA, and XPS. Weight loss of Ti polished by CMP using the basic slurry was larger than that using the acidic one, and surface roughness was less than 2 nm RMS when basic slurry containing 3 wt% H2O2 was used. Moreover, three kinds of chemical species, OH-, O2-, and H2O, were detected on the Ti surfaces polished by CMP using these slurries. Results of this study showed that CMP using colloidal silica containing H2O2 successfully created a mirror-polished surface without contaminated and reacted layers.
journal_name
Dent Mater Jjournal_title
Dental materials journalauthors
Okawa S,Watanabe Kdoi
10.4012/dmj.28.68subject
Has Abstractpub_date
2009-01-01 00:00:00pages
68-74issue
1eissn
0287-4547issn
1881-1361journal_volume
28pub_type
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