Influence of the Tungsten Content on Surface Properties of Electroless Ni-W-P Coatings - Oliveira, Mara Cristina Lopes de; Correa, Olandir Vercino; Ett, Bardia; Sayeg, Isaac Jamil; Lima, Nelson Batista de; Antunes, Renato Altobelli; Antunes, Renato Altobelli (Materials Research, 2018)