Currently, we had a check on the 127 articles published on the Volume 51 Issue 6 of the journal "Ceramics International", and found 14 of them (about 11%) have questionable data, spectra and images. Here are some examples, details: http://www.5gh.org.cn/WuGH/2025/000044.html
Journal Quality Report on "Ceramics International"

Journal Quality Report on Ceramics International