Floresta e Ambiente
https://floram.org/article/doi/10.1590/2179-8087-FLORAM-2021-0041
Floresta e Ambiente
Original Article Forest Products Science and Tecnology

Influence of Abrasive Blasting and Hot Pressing Preparation on the Pinus taeda Wood Surface

Ana Paula Namikata da Fonte, Marcio Pereira da Rocha, Pedro Henrique Gonzalez de Cademartori, Rui André Maggi dos Anjos

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Abstract

Metal particles are used in abrasive blasting to provide cleaning, new shapes, or fatigue resistance to surfaces, depending on the format of these particles. However, these particulates constitute large amounts of waste with no proper treatment. In this scenario, this paper aims to compare two surface treatment methods using metallic particles on Pinus taeda wood: abrasive blasting and hot pressing. The size and shape of the particles were determined by scanning electron microscopy (SEM) and their chemical constitution by energy-dispersive X-ray spectroscopy (EDX). After each treatment, the wood surface was subjected to wettability and colorimetric tests. The hot pressing treatment and the copper slag particles provided the lowest wettability. The color changes were significant after both methods, highlighting their potential as a new finishing technique.

Keywords

Stainless steel grit; steel grit; copper slag; surface treatment; metallic particles

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Submitted date:
05/10/2021

Accepted date:
06/14/2022

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