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Development of the white cast iron with niobium alloy, heat treating, to wear of the abrasive resistance; Desenvolvimento de uma liga de ferro fundido branco alto cromo com niobio, tratada termicamente, para resistencia ao desgaste abrasivo

Abstract

This work presents the heat treatment and abrasion tests results of a white cast iron with niobium alloy. The hardening heat treatment were made 950, 1000, 1050 e 110 deg C temperatures cooled by forced air. The tempering treatment were made at 450, 500 e 550 deg C temperatures. The heat treating alloy were compared, in the abrasive tests, with commercial alloys used as hardfacing by welding process in wear pieces. The abrasion tests was realized in pin on disk test. Additional tests were carried out for microstructural characterization to identify the different phases presents in the alloys. In a general way, the alloy studies showed the best wear rate for the heat treatments that results in higher hardness. It performance was superior than that of the commercial alloys. (author)
Publication Date:
Jul 01, 1997
Product Type:
Thesis/Dissertation
Report Number:
INIS-BR-3822
Resource Relation:
Other Information: TH: Dissertacao (M.Sc.); 49 refs., 34 figs., 20 tabs., 32 graphs; PBD: 1997
Subject:
36 MATERIALS SCIENCE; ABRASION; CAST IRON; CHROMIUM; HARDENING; HARDNESS; HEAT TREATMENTS; MICROSTRUCTURE; NIOBIUM ALLOYS; TEMPERATURE DEPENDENCE; WEAR
OSTI ID:
20370139
Research Organizations:
Sao Paulo Univ., Sao Carlos, SP (Brazil). Escola de Engenharia
Country of Origin:
Brazil
Language:
Portuguese
Other Identifying Numbers:
TRN: BR0342809051921
Availability:
Available from INIS in electronic form
Submitting Site:
BRN
Size:
130 pages
Announcement Date:

Citation Formats

Farah, Alessandro Fraga. Development of the white cast iron with niobium alloy, heat treating, to wear of the abrasive resistance; Desenvolvimento de uma liga de ferro fundido branco alto cromo com niobio, tratada termicamente, para resistencia ao desgaste abrasivo. Brazil: N. p., 1997. Web.
Farah, Alessandro Fraga. Development of the white cast iron with niobium alloy, heat treating, to wear of the abrasive resistance; Desenvolvimento de uma liga de ferro fundido branco alto cromo com niobio, tratada termicamente, para resistencia ao desgaste abrasivo. Brazil.
Farah, Alessandro Fraga. 1997. "Development of the white cast iron with niobium alloy, heat treating, to wear of the abrasive resistance; Desenvolvimento de uma liga de ferro fundido branco alto cromo com niobio, tratada termicamente, para resistencia ao desgaste abrasivo." Brazil.
@misc{etde_20370139,
title = {Development of the white cast iron with niobium alloy, heat treating, to wear of the abrasive resistance; Desenvolvimento de uma liga de ferro fundido branco alto cromo com niobio, tratada termicamente, para resistencia ao desgaste abrasivo}
author = {Farah, Alessandro Fraga}
abstractNote = {This work presents the heat treatment and abrasion tests results of a white cast iron with niobium alloy. The hardening heat treatment were made 950, 1000, 1050 e 110 deg C temperatures cooled by forced air. The tempering treatment were made at 450, 500 e 550 deg C temperatures. The heat treating alloy were compared, in the abrasive tests, with commercial alloys used as hardfacing by welding process in wear pieces. The abrasion tests was realized in pin on disk test. Additional tests were carried out for microstructural characterization to identify the different phases presents in the alloys. In a general way, the alloy studies showed the best wear rate for the heat treatments that results in higher hardness. It performance was superior than that of the commercial alloys. (author)}
place = {Brazil}
year = {1997}
month = {Jul}
}