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Dry granular materials consist of a collection of macroscopic discrete particles interacting solely via contact forces. By changing the external conditions, the granular packing displays rich phenomena ranging from fluid-like properties to jamming glassy behavior and to aging observed when these grains are trapped in a frozen state. Once the grains contact liquid, the force between the liquid and grains has an influence on the mechanical properties of the wet granular materials, and some mechanical behaviors are quite different from those of the dry granular materials. However, the underlying mechanism of the complex dynamics of granular assemblies is still not completely understood. In this paper, mechanical spectroscopy (the shear modular G and the related energy dissipation tan) of NaCl wet granular system is investigated with different liquid content (weight fraction) under the constant temperature 25℃ and air humidity by a modified low-frequency inverted torsion pendulum. The NaCl wet granular system also displays jamming behavior when subjected to an external vibration with increasing intensity, which is quiet similar to dry granular matter. With the increase of water content, all the spectra of tan and modular G show a peak at the water content about 11% (critical water content). At the same time, the applied shear force has little influence on the positions of these peaks. All of these behaviors illustrate that the main interaction forces among granular matters in the system are changed at the moment.
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Keywords:
- wet granular matter /
- mechanical spectroscopy /
- capillary forces
[1] Sun Q C, Wang G Q 2008 Acta Phys. Sin. 57 4667 (in Chinese)[孙其诚, 王光谦 2008 57 4667]
[2] Tegzes P, Vicsek T, Schiffer P 2003 Phys. Rev. E 67 051303
[3] Gao H L, Chen Y C, Zhao Y Z, Zheng J Y 2011 Acta Phys. Sin. 60 124501 (in Chinese)[高红利, 陈友川, 赵永志, 郑津洋 2011 60 124501]
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[5] Samadani A, Kudrolli A 2001 Phys. Rev. E 64 051301
[6] Liao C C, Hsiau S S, Wen S F 2016 Adv. Powder Technol. 27 1265
[7] Scheel M, Geromichalos D, Herminghaus S 2004 J. Phys. Condens. Mat. 16 S4213
[8] Badetti M, Fall A, Chevoir F, Aimedieu P, Rodts S, Roux J N 2018 J. Rheol. arXiv:1802.09765
[9] Bika D G, Gentzler M, Michaels J N 2001 Powder Technol. 117 98
[10] Wang W J, Kong X Z, Zhu ZG 2007 Phys. Rev. E 75 041302
[11] Wang W J, Zhu Z G 2008 EPL 82 24004
[12] Chai L C, Wu X, Liu C S 2014 Soft Matter 10 6614
[13] D'Anna G, Gremaud G 2001 Phys. Rev. E 64 011306
[14] D'Anna G, Sellerio A L, Mari D, Gremaud G 2013 J.Stat. Mech. Theory E 5 P05009
[15] D'Anna G 2000 Phys. Rev. E 62 982
[16] Sellerio A L, Mari D, Gremaud G, D'Anna G 2011 Phys. Rev. E 83 021301
[17] Wu X, Zhu Z 2009 J.Phys. Chem. B 113 11147
[18] D'Anna G, Gremaud G 2001 EPL 54 599
[19] D'Anna G, Gremaud G 2001 Phys. Rev. Lett. 87 254302
[20] Mayor P, D'Anna G, Gremaud G 2004 Mat. Sci. Eng. A 370 307
[21] Sellerio A L, Mari D, Gremaud G 2012 Solid State Phenomena 184 422
[22] Xiong X M, Zhang J X 2010 Phys. Rev. E 81 042301
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[1] Sun Q C, Wang G Q 2008 Acta Phys. Sin. 57 4667 (in Chinese)[孙其诚, 王光谦 2008 57 4667]
[2] Tegzes P, Vicsek T, Schiffer P 2003 Phys. Rev. E 67 051303
[3] Gao H L, Chen Y C, Zhao Y Z, Zheng J Y 2011 Acta Phys. Sin. 60 124501 (in Chinese)[高红利, 陈友川, 赵永志, 郑津洋 2011 60 124501]
[4] Chou S H, Liao C C, Hsiau S S 2010 Powder Technol. 201 266
[5] Samadani A, Kudrolli A 2001 Phys. Rev. E 64 051301
[6] Liao C C, Hsiau S S, Wen S F 2016 Adv. Powder Technol. 27 1265
[7] Scheel M, Geromichalos D, Herminghaus S 2004 J. Phys. Condens. Mat. 16 S4213
[8] Badetti M, Fall A, Chevoir F, Aimedieu P, Rodts S, Roux J N 2018 J. Rheol. arXiv:1802.09765
[9] Bika D G, Gentzler M, Michaels J N 2001 Powder Technol. 117 98
[10] Wang W J, Kong X Z, Zhu ZG 2007 Phys. Rev. E 75 041302
[11] Wang W J, Zhu Z G 2008 EPL 82 24004
[12] Chai L C, Wu X, Liu C S 2014 Soft Matter 10 6614
[13] D'Anna G, Gremaud G 2001 Phys. Rev. E 64 011306
[14] D'Anna G, Sellerio A L, Mari D, Gremaud G 2013 J.Stat. Mech. Theory E 5 P05009
[15] D'Anna G 2000 Phys. Rev. E 62 982
[16] Sellerio A L, Mari D, Gremaud G, D'Anna G 2011 Phys. Rev. E 83 021301
[17] Wu X, Zhu Z 2009 J.Phys. Chem. B 113 11147
[18] D'Anna G, Gremaud G 2001 EPL 54 599
[19] D'Anna G, Gremaud G 2001 Phys. Rev. Lett. 87 254302
[20] Mayor P, D'Anna G, Gremaud G 2004 Mat. Sci. Eng. A 370 307
[21] Sellerio A L, Mari D, Gremaud G 2012 Solid State Phenomena 184 422
[22] Xiong X M, Zhang J X 2010 Phys. Rev. E 81 042301
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