Observation and evaluation of scratch characteristics of injection-molded poly(methyl methacrylate) toughened by acrylic rubbers

Jihun An, Byung Hyun Kang, Byoung-Ho Choi, Hyoung Jun Kim

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Poly(methyl methacrylate) (PMMA) is frequently toughened by blending with elastomers such as acrylic rubbers to improve its toughness, but the addition of acrylic rubbers to PMMA deteriorates its scratch properties. In this study, the scratch properties of PMMA toughened by the addition of acrylic rubbers were investigated by performing static and progressive scratch tests. Three scratch damage modes, namely, mar/plowing, whitening, and cutting modes, were identified by observing the scratch damage using various microscopy techniques. In addition, two critical loads for defining the variation of scratch damage mechanisms were recorded to evaluate the scratch resistance of rubber-toughened PMMA samples.

Original languageEnglish
Pages (from-to)32-42
Number of pages11
JournalTribology International
Volume77
DOIs
Publication statusPublished - 2014 Jan 1

Fingerprint

Rubber
Polymethyl Methacrylate
Polymethyl methacrylates
rubber
polymethyl methacrylate
Acrylics
injection
evaluation
damage
plowing
Elastomers
elastomers
toughness
Toughness
Microscopic examination
microscopy

Keywords

  • Acrylic rubbers
  • Damage mechanism
  • Poly(methyl methacrylate)
  • Scratch

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials
  • Surfaces, Coatings and Films
  • Surfaces and Interfaces

Cite this

Observation and evaluation of scratch characteristics of injection-molded poly(methyl methacrylate) toughened by acrylic rubbers. / An, Jihun; Kang, Byung Hyun; Choi, Byoung-Ho; Kim, Hyoung Jun.

In: Tribology International, Vol. 77, 01.01.2014, p. 32-42.

Research output: Contribution to journalArticle

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