Study of Abrasive Wear of Railway Welding Steel Repair, Grade R260

  • Buntoeng Srikarun Department of Mining and Materials Engineering, Faculty of Engineering, Prince of Songkla University, Hat Yai Campus https://orcid.org/0000-0002-5572-4407
  • Salita Petchsang
  • Prapas Muangjunburee
Keywords: Rail steel, Repaired welding, Shielded metal arc welding, Covered electrode, Abrasive wear

Abstract

The purpose of this research was to investigate an abrasive wear of the railway steel grade R260 that had not been repaired and one that had been repaired by shielded metal arc welding (SMAW). The covered electrodes used were DIN 8555: E1-UM-350. There were 3 different brands to compare. The chemical composition, microstructure, hardness, wear test, and worn surface of railway steel and repaired weld metals were investigated. The results presented that the railway steel grade R260 without repaired contained pearlite matrix while the repaired weld metal by covered electrodes A, B, and C exhibited grain boundary ferrite and bainitic structure being added. Besides, the hardness values did not follow the wear resistance. The railway steel showed the highest wear resistance, but the lowest hardness. The maximum hardness could be found in the repaired weld metal using covered electrode C compared to other types of the electrode, whereas its wear resistance was minimum. In addition, the worn surface mechanism of the railway steel and the repaired weld metal by covered electrode A was mainly micro cutting. On the other hand, the repaired weld metal by covered electrode B and C resulted in micro ploughing and micro fracture. Therefore, the cover electrode brand A showed the most suitable for repaired welding of railway steel grade R260.

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Author Biography

Buntoeng Srikarun, Department of Mining and Materials Engineering, Faculty of Engineering, Prince of Songkla University, Hat Yai Campus

Personal Information

Date of Birth: 8th August 1989                                                  Age: 30 Years Old

Sex: Male                                                                                       Nationality: Thai

Religion: Buddhism                                                                    Marital Status: Single

Military Status: Exempted                                                        Health: Excellent

 

Education

Ph. D. (Materials Engineering), 2019, Department of Mining and Materials Engineering, Prince of Songkla University, Hat Yai, Thailand

Thesis Topic: Metallurgical and Mechanical Properties of Hardfacing of 3.5% Cr Steel

M. Eng. (Materials Engineering), 2015, Department of Mining and Materials Engineering, Prince of Songkla University, Hat Yai. Thailand (GPA: 3.75)

Thesis Topic: Hardfacing of 3.5% Cr Steel for Coal Crusher

B. Eng. (Mechanical Engineering), 2012, Department of Mechanical Engineering,

Prince of Songkla University, Hat Yai. Thailand (GPA: 2.97)

Senior Project: Shredder for Dry Leaves and Hay

 

International Journal Publication

Oo, H. Z., Srikarun, B., & Muangjunburee, P. (2019). The effects of heat input and polarity on wear resistance of Fe-3.5% Cr steel hardfaced using submerged arc welding. Materials Research Express, 6(10) 1-11.

Srikarun, B., Oo, H. Z., Petchsang, S., & Muangjunburee, P. (2019). The effects of dilution and choice of added powder on hardfacing deposited by submerged arc welding. Wear, (424-425), 246-254.

Srikarun, B., & Muangjunburee, P. (2018). Microstructure and wear behavior of hardfacing with ferro-alloy powder addition using submerged arc welding. Chiang Mai Journal Science, 45(5), 2034-2047.

Oo, H. Z., Srikarun, B., & Muangjunburee, P. (2018). Correlating hardness and welding dilution with the abrasion mass loss of hardfacings welded with different currents and polarities. Metallurgist, 61(11-12), 1033-1037.

Srikarun, B., & Muangjunburee, P. (2018). The comparison of weld metal with and without additional powder using submerged arc welding. In 2018 5th International Conference on Business and Industrial Research (ICBIR) (pp. 242-247). IEEE.

Srikarun, B., & Muangjunburee, P. (2018). The effect of iron-based hardfacing with chromium powder addition onto low carbon steel. Materials Today: Proceedings, 5(3), 9272-9280.

Srikarun, B., & Muangjunburee, P. (2015). Wear behavior of hardfacing deposits on 3.5% chromium cast Steel. In Key Engineering Materials (Vol. 658, pp. 167-171). Trans Tech Publications.

 

National Journal Publication

บันเทิง ศรีคะรัน, และประภาศ เมืองจันทร์บุรี. (2562). อิทธิพลของการเติมโครเมียมในบริเวณเนื้อโลหะเชื่อม โดยกระบวนการเชื่อมอาร์กใต้ฟลักซ์. วารสารวิศวกรรมศาสตร์ มหาวิทยาลัยเชียงใหม่, 26(1), 148-157.

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Published
2021-01-13
How to Cite
Srikarun, B., Petchsang, S., & Muangjunburee, P. (2021). Study of Abrasive Wear of Railway Welding Steel Repair, Grade R260. Princess of Naradhiwas University Journal, 13(1), 209-255. Retrieved from https://li01.tci-thaijo.org/index.php/pnujr/article/view/241123
Section
บทความวิจัย