Tecnologia em Metalurgia, Materiais e Mineração
https://tecnologiammm.com.br/article/doi/10.4322/tmm.00304010
Tecnologia em Metalurgia, Materiais e Mineração
Artigo Original

AVALIAÇÃO DE DEFEITOS SUPERFICIAIS TIPO ESCAMA EM BARRAS DE AÇO TREFILADAS

EVALUATION OF SLIVER SURFACE DEFECTS IN COLD-DRAWN STEEL BARS

Barbosa, Leoneros Acosta; Fagundes, Geraldo André; Teichmann, Leila; Reguly, Afonso

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Resumo

Este trabalho apresenta diferentes técnicas de caracterização de defeitos superficiais tipo escama em barras trefiladas buscando a determinação de sua causa raiz para uma diminuição do sucateamento destes produtos.

Palavras-chave

Defeitos de superfície, Escamas, Barra trefilada

Abstract

This work shows different characterization techniques used for the evaluation of sliver surface defects in colddrawn bars aiming to decrease the volume of scrap in those products.

Keywords

Surface defect, Slivers, Cold-drawn bars

Referências



1 MADIAS, J.; REDA, L. Defeitos em produtos longos de aços ao carbono e baixa liga. Buenos Aires: Instituto Argentino de Siderurgia, 2004.

2 ASSOCIAÇÃO BRASILEIRA DE NORMAS TÉCNICAS. ABNT NBR 8108: ataque com reativos metalográficos em ligas ferrosas. Rio de Janeiro, 1983.

3 MEYETTE, C.L.; ELIOTT, V.E. A method for determining the origin of surface defects in rolled steel products. Transactions of the AIME, v. 176, p. 201-18, 1948.

4 TSAI, H.T.; SAMMON, W.J.; HAZELTON, D.E. Characterization and countermeasures for sliver defects in cold rolled products. In: STEELMAKING CONFERENCE, 73, 1990, Detroit. Proceedings... Warrendale: Iron & Steel Society, 1990. p. 49-59.

5 EMLING, Z.H.; WAUGAMAN, T.A. Subsurface mold slag entrainment in ultra low carbon steel. In: STEELMAKING CONFERENCE, 77, 1994, Chicago. Proceedings... Warrendale: Iron & Steel Society, 1994. p. 371-379.

6 NAKAMURA, H.; KOHIRA, S.; KUBOTA, J.; KONDO, T.; SUZUKI, M.; SHIRATANI, Y. Technology for production of high quality slab at high speed casting. In: STEELMAKING CONFERENCE, 75, 1992, Toronto. Proceedings... Warrendale: Iron & Steel Society, 1992. p. 409-415.

7 SIDORENKO, D.; BONILLA, C. Quality evaluation of billet surface at ivaco rolling mills. Iron and Steelmaker, v. 25, n. 4, p. 35-9, Apr. 1998.

8 CHAKRABORTY, S; HILL, W. Reduction of alumina sliver at great lakes no. 2 CC. In: STEELMAKING CONFERENCE, 77, 1994, Chicago. Proceedings... Warrendale: Iron & Steel Society, 1994. p. 389-95.

9 RAY, S.K.; DHUA, S.J. Electron-probe microanalysis: some applications in the assessment of steel product quality. X-Ray Spectrometry, v. 28, n. 1, p.41-50, Jan.-Feb. 1999.

10 HERRERA, G.; SANTOS, R. Improvement in surface quality and internal cleanliness of thin-slab casting at HYLSA. Iron & Steel Technology, v. 2, n. 9, p.34-40, Sept. 2005.

11 BOMMARAJU, R.; JACKSON, T; LUCAS, J.; SKOCZYLAS, G. Design, development and applications of mold powder to reduce sliver. Iron and Steelmaker, v. 19, n. 4, p. 21-27, Apr. 1992.
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