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中国腐蚀与防护学报  2009, Vol. 29 Issue (4): 241-247    
  研究报告 本期目录 | 过刊浏览 |

Effect of Alloyingm Additions on the Oxidation of High Speed Steels under Dry and Wet Conditions
F.C. RIZZO1;M.J. MONTEIRO1; S.R.J. SAUNDERS2
1. DCMM; PUC; Rio de Janeiro; Brazil
2. Bentley; Surrey; UK
全文: PDF(3046 KB)  
摘要: 

An investigation has been carried out into the effects of chromium and vanadium content on the oxidation rate and on the adhesion of oxide scales grown on three different chemical compositions of high speed steels under dry and wet conditions. The oxidation tests were carried out in a thermobalance at 650 ℃ for up to 14.4 ks.  The mass gain of the specimens increased with increasing contents of water vapour. Alloy composition had no effect on the oxidation rate in dry conditions. The “adhesion” of the oxide scale was determined using indentation with a Rockwell C diamond and the pull adhesion test to determine the interfacial toughness and the tensile strength of the oxide metal bond, respectively. Generally, the results of the investigation indicated that oxide adhesion was lowest for the specimens exposed to dry conditions, and that with increasing water vapour content, the scale was more adherent. Indentation test results showed that an increase in the V concentration was deleterious to oxide adhesion in both the dry and wet environments, whereas an increase in the Cr-content had little effect on adhesion.

关键词 steam oxidationadhesionkineticshigh speed steels    
收稿日期: 2009-06-10     
通讯作者: F.C. Rizzo     E-mail: rizzo@rdc.pul-rio.br

引用本文:

F.C. RIZZO M.J. MONTEIRO S.R.J. SAUNDERS.
Effect of Alloyingm Additions on the Oxidation of High Speed Steels under Dry and Wet Conditions[J]. 中国腐蚀与防护学报, 2009, 29(4): 241-247.

链接本文:

https://www.jcscp.org/CN/Y2009/V29/I4/241

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