Sliding wear evaluation of aluminum alloy (7075-T6) on hardened steel (AISI4340) via non-contact technique by I-kaz<sup>™</sup> multi-level analysis

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Abstract

Various techniques have been developed in the area of sliding wear evaluation. This paper presents a comparative experimental study on a sliding wear measurement and evaluation system of aluminium alloy (7075-T6) on hardened steel (AISI4340). The system is capable of detecting the wear progression of the aluminium alloy. A microphone is mounted 10mm from the test rig configuration to capture the acoustic emission (AE) generated. The signal is transmitted to the amplifier and then to the data acquisition system. New statistical analysis method was used to characterise the changes in the AE signal captured via non-contact technique. The result showed that the specific wear rate, K' value increases with the increase in sliding distance, implies that a mild-abrasion wear regime had occurred. Based on the morphology investigation, it was found that under a lubricated test, parallel grooves and craters up to 10μm in size were present, indicating the occurrence of the abrasive action of fresh abrasive particles. New equations were derived from the curve fitting of <sup>7</sup>Z<sup>∞</sup> as a function of specific wear rate, K[U+05F3]. The trend of <sup>7</sup>Z<sup>∞</sup> was consistent with the sliding distance increases which shows that the coefficient is capable to be used as a wear response indicator on the sliding wear operation without having to dismantle the pin inside the test rig to measure the K[U+05F3] value.

Original languageEnglish
Pages (from-to)99-104
Number of pages6
JournalWear
Volume334-335
DOIs
Publication statusPublished - 5 Jul 2015

Fingerprint

Steel
aluminum alloys
sliding
Aluminum alloys
Wear of materials
steels
evaluation
acoustic emission
abrasives
Acoustic emissions
Abrasives
abrasion
curve fitting
Curve fitting
Microphones
microphones
Abrasion
craters
progressions
grooves

Keywords

  • Abrasive wear
  • Acoustic emission
  • Adhesive wear
  • I-kaz™ method
  • Sliding wear
  • Wear modelling

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Materials Chemistry
  • Surfaces, Coatings and Films
  • Mechanics of Materials

Cite this

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title = "Sliding wear evaluation of aluminum alloy (7075-T6) on hardened steel (AISI4340) via non-contact technique by I-kaz™ multi-level analysis",
abstract = "Various techniques have been developed in the area of sliding wear evaluation. This paper presents a comparative experimental study on a sliding wear measurement and evaluation system of aluminium alloy (7075-T6) on hardened steel (AISI4340). The system is capable of detecting the wear progression of the aluminium alloy. A microphone is mounted 10mm from the test rig configuration to capture the acoustic emission (AE) generated. The signal is transmitted to the amplifier and then to the data acquisition system. New statistical analysis method was used to characterise the changes in the AE signal captured via non-contact technique. The result showed that the specific wear rate, K' value increases with the increase in sliding distance, implies that a mild-abrasion wear regime had occurred. Based on the morphology investigation, it was found that under a lubricated test, parallel grooves and craters up to 10μm in size were present, indicating the occurrence of the abrasive action of fresh abrasive particles. New equations were derived from the curve fitting of 7Z∞ as a function of specific wear rate, K[U+05F3]. The trend of 7Z∞ was consistent with the sliding distance increases which shows that the coefficient is capable to be used as a wear response indicator on the sliding wear operation without having to dismantle the pin inside the test rig to measure the K[U+05F3] value.",
keywords = "Abrasive wear, Acoustic emission, Adhesive wear, I-kaz™ method, Sliding wear, Wear modelling",
author = "Z. Karim and Nuawi, {Mohd. Zaki} and {A Ghani}, Jaharah and Ghazali, {Mariyam Jameelah} and Shahrum Abdullah and Mansor, {N. I I}",
year = "2015",
month = "7",
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AU - Karim, Z.

AU - Nuawi, Mohd. Zaki

AU - A Ghani, Jaharah

AU - Ghazali, Mariyam Jameelah

AU - Abdullah, Shahrum

AU - Mansor, N. I I

PY - 2015/7/5

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N2 - Various techniques have been developed in the area of sliding wear evaluation. This paper presents a comparative experimental study on a sliding wear measurement and evaluation system of aluminium alloy (7075-T6) on hardened steel (AISI4340). The system is capable of detecting the wear progression of the aluminium alloy. A microphone is mounted 10mm from the test rig configuration to capture the acoustic emission (AE) generated. The signal is transmitted to the amplifier and then to the data acquisition system. New statistical analysis method was used to characterise the changes in the AE signal captured via non-contact technique. The result showed that the specific wear rate, K' value increases with the increase in sliding distance, implies that a mild-abrasion wear regime had occurred. Based on the morphology investigation, it was found that under a lubricated test, parallel grooves and craters up to 10μm in size were present, indicating the occurrence of the abrasive action of fresh abrasive particles. New equations were derived from the curve fitting of 7Z∞ as a function of specific wear rate, K[U+05F3]. The trend of 7Z∞ was consistent with the sliding distance increases which shows that the coefficient is capable to be used as a wear response indicator on the sliding wear operation without having to dismantle the pin inside the test rig to measure the K[U+05F3] value.

AB - Various techniques have been developed in the area of sliding wear evaluation. This paper presents a comparative experimental study on a sliding wear measurement and evaluation system of aluminium alloy (7075-T6) on hardened steel (AISI4340). The system is capable of detecting the wear progression of the aluminium alloy. A microphone is mounted 10mm from the test rig configuration to capture the acoustic emission (AE) generated. The signal is transmitted to the amplifier and then to the data acquisition system. New statistical analysis method was used to characterise the changes in the AE signal captured via non-contact technique. The result showed that the specific wear rate, K' value increases with the increase in sliding distance, implies that a mild-abrasion wear regime had occurred. Based on the morphology investigation, it was found that under a lubricated test, parallel grooves and craters up to 10μm in size were present, indicating the occurrence of the abrasive action of fresh abrasive particles. New equations were derived from the curve fitting of 7Z∞ as a function of specific wear rate, K[U+05F3]. The trend of 7Z∞ was consistent with the sliding distance increases which shows that the coefficient is capable to be used as a wear response indicator on the sliding wear operation without having to dismantle the pin inside the test rig to measure the K[U+05F3] value.

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