Influence of residual compressive stress on nanoindentation response of ion-exchanged aluminosilicate float glass on air and tin sides

Li, Xiaoyu; Jiang, Liangbao; Zhang, Xiaowen

doi:10.1016/j.jnoncrysol.2013.10.018

Cited by 21 publications

(24 citation statements)

References 19 publications

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“…Figure shows the hardness and elastic modulus as a function of ion‐exchange time. The hardness and elastic modulus results are in accordance with previous works with similar glass composition . Ion‐exchanged specimens show higher values for hardness and modulus than the raw glass on both sides.…”

Section: Resultssupporting

confidence: 90%

“…The tin side always holds a higher value of CS and lower value of DOL. This is due to the hindered diffusion of K + ions by the tin in the glass and this result is in accordance with our previous research …”

Section: Discussionsupporting

confidence: 94%

“…In addition, the increase in density caused by the wedging of larger K + ions into the glass matrix can also lead to a higher mechanical property on ion‐exchanged glass surface . This result is in accordance with our previous work …”

Section: Discussionsupporting

confidence: 92%

“…The reason is ascribed to a larger size of residual stress field on the ion‐exchanged glass than that on the raw glass after indentation . The exchange of larger ions to smaller ions can cause a denser glass structure and a higher residual stress field, which arises from the strain mismatch of the plastically deformed zone embedded in the surrounding elastically restraining matrix. With the increase in the CS, the inhibiting effect to crack initiation becomes stronger, and as a result, the crack initiation load increases for the ion‐exchanged glasses .…”

Section: Discussionmentioning

confidence: 99%

“…In addition, the radial crack length on the tin side of the raw glass is obviously larger than that on the air side, whereas this parameter on the tin side is slightly lower than that on the air side after ion-exchange. 16,22 Ion-exchanged specimens show higher values for hardness and modulus than the raw glass on both sides. The hardness decreases with exchange time for ion-exchanged glasses, whereas the modulus did not show the similar trend.…”

Section: Nanoindentationmentioning

confidence: 98%

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New insights into nanoindentation crack initiation in ion‐exchanged sodium aluminosilicate glass

Jiang

Mohagheghian

et al. 2018

J Am Ceram Soc

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The effect of ion‐exchange on the fracture behavior and the threshold load is investigated for radial crack initiation resulting from cube‐corner indentation. Both tin and air sides of the sodium aluminosilicate float glass are considered. The threshold load and mechanical properties are experimentally measured by nanoindentation. A qualitative explanation of crack initiation is developed by analyzing the stresses at the indentation site. The ion‐exchanged glasses show a lower threshold load for radial crack initiation with a cube‐corner indenter than the raw glass, and this is due to a higher crack driving stress for ion‐exchanged glasses. However, the compressive stress on the surface of the ion‐exchanged glasses can inhibit the expanding of the radial cracks. The air side always shows higher values for the threshold load than the tin side before and after ion‐exchange, which is in accordance with the calculated crack driving stress results.

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Section: Resultssupporting

confidence: 90%

Section: Discussionsupporting

confidence: 94%

Section: Discussionsupporting

confidence: 92%

Section: Discussionmentioning

confidence: 99%

Section: Nanoindentationmentioning

confidence: 98%

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