I was about to post this exact question. Yes, they are often known as scabs, but that's an editorial decision by the submitter because the article doesn't mention them as scabs. Nor do the workers in the article.
I wasn't aware that "scabs" is more of a derogatory term than "strikebreakers", but then the idea itself for me is derogatory so maybe I'm not the best person to judge.
FWIW: I changed the title to just have "strikebreakers" in it now.
Apparently they mean the same thing though https://en.m.wikipedia.org/wiki/Strikebreaker