Investigation of nickel and copper microfoils defect formation under the stressLeinberg, Silver; Lõhmus, Rünno; Hussainova, Irina; Nisumaa, Reet15th International Baltic Conference "Engineering Materials & Tribology. Baltmattrib - 2006" : October 5-6, 2006, Tallinn, Estonia : abstracts2006 / p. 42-43 : ill