Entrar

Anais do Congresso Anual da ABM

ISSN 2594-5327

65º Congresso ABM — vol. 65, num.65 (2010)

Título

INFLUENCE OF STRUCTURE ON BRITTLENESS OF BORON NITRIDE COATINGS DEPOSITED ON CEMENTED NANOCARBIDES

INFLUENCE OF STRUCTURE ON BRITTLENESS OF BORON NITRIDE COATINGS DEPOSITED ON CEMENTED NANOCARBIDES

Autoria

Kupczyk, Maciej Jan; Michalski, Andrzej; Siwak, Piotr

Kupczyk, Maciej Jan
Kupczyk, Maciej Jan

Eu sou esse autor

Michalski, Andrzej
Michalski, Andrzej

Eu sou esse autor

Siwak, Piotr
Siwak, Piotr

Eu sou esse autor

DOI

10.5151/2594-5327-17048

Downloads

Baixar Artigo 81 Downloads

Resumo

In the article is presented the brittleness study of boron nitride coatings deposited on cutting edges made of cemented nanocarbides by the pulse-plasma method (PPD). Influences of the structure (density, pores, microcracks) of coating material on the brittleness and on selected technological parameters of boron nitride formation by PPD method particularly taking into account discharge voltage on brittleness are shown. Differences between values of total average crack length ΣL, critical loads (Pk300, Pk500) and coefficients (a1(300) and a1(500)) characterized susceptibility to cracking of investigated coatings manufactured using different values of production process were defined. Results of an investigations have been confirmed usefulness of Palmqvist’s method for measurement of coating susceptibility to brittle cracking.

 

In the article is presented the brittleness study of boron nitride coatings deposited on cutting edges made of cemented nanocarbides by the pulse-plasma method (PPD). Influences of the structure (density, pores, microcracks) of coating material on the brittleness and on selected technological parameters of boron nitride formation by PPD method particularly taking into account discharge voltage on brittleness are shown. Differences between values of total average crack length ΣL, critical loads (Pk300, Pk500) and coefficients (a1(300) and a1(500)) characterized susceptibility to cracking of investigated coatings manufactured using different values of production process were defined. Results of an investigations have been confirmed usefulness of Palmqvist’s method for measurement of coating susceptibility to brittle cracking.

Palavras-chave

Wear-resistant coatings; PVD; Brittleness; Structure.

.

Como citar

Kupczyk, Maciej Jan; Michalski, Andrzej; Siwak, Piotr. INFLUENCE OF STRUCTURE ON BRITTLENESS OF BORON NITRIDE COATINGS DEPOSITED ON CEMENTED NANOCARBIDES , p. 4836-4844. In: 65º Congresso ABM, Rio de Janeiro, 2010.
ISSN: 2594-5327 , DOI 10.5151/2594-5327-17048