The tribological behavior of iron tailing sand grain contacts in dry, water and biopolymer immersed states
We investigated experimentally the tribological behavior of tailing grain contacts using a micromechanical apparatus which allows high precision of force and displacement measurements to derive contact stiffness. A technique was developed to apply biopolymer coating to the grain surfaces and the emp...
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| Veröffentlicht in: | Granular matter 2021-02, Vol.23 (1), Article 12 |
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| creator | Ren, Jing Li, Siyue He, Huan Senetakis, Kostas |
| description | We investigated experimentally the tribological behavior of tailing grain contacts using a micromechanical apparatus which allows high precision of force and displacement measurements to derive contact stiffness. A technique was developed to apply biopolymer coating to the grain surfaces and the emphasis of the study was placed on the investigation of the influences of saturation conditions, the presence of polymer-based coating, and the abrasion on the frictional behavior of the grains. Material characterization was based on interferometry, micro-indentation and elemental composition analyses. Elastoplastic displacements dominated the first cycles of normal loading and the Young’s modulus was interpreted based on different contact models. The tailing grains showed significantly higher inter-particle friction compared with that of quartz grains. Three major characteristics which influenced the frictional behavior of the grain contacts were the abrasion, which was more dominant in the first loading cycles, the high roughness of the grains and the presence of the biopolymer coating which increased significantly the friction.
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| doi_str_mv | 10.1007/s10035-020-01068-0 |
| format | Article |
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Graphic abstract</description><subject>Abrasion</subject><subject>Biopolymers</subject><subject>Complex Fluids and Microfluidics</subject><subject>Elastoplasticity</subject><subject>Engineering Fluid Dynamics</subject><subject>Engineering Thermodynamics</subject><subject>Foundations</subject><subject>Geoengineering</subject><subject>Grains</subject><subject>Heat and Mass Transfer</subject><subject>Hydraulics</subject><subject>Industrial Chemistry/Chemical Engineering</subject><subject>Materials Science</subject><subject>Microhardness</subject><subject>Modulus of elasticity</subject><subject>Original Paper</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Soft and Granular Matter</subject><subject>Stiffness</subject><subject>Tribology</subject><issn>1434-5021</issn><issn>1434-7636</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp9kMtOwzAQRS0EEqXwA6wssSXgt5MlqnhJldiUteUkk9RVGhfbBfXvcQkSOzbz0Jw7o7kIXVNyRwnR9zFHLgvCSEEoUWVBTtCMCi4Krbg6_a0lYfQcXcS4IYTKiuoZ2qzWgFNwtR987xo74BrW9tP5gH2HXfAjTtYNbuxxtGOL-2DdiBs_JtukiHPdhsMt_rIJAj4CtfM7Pxy2uXXbHCO0OKY8jpforLNDhKvfPEfvT4-rxUuxfHt-XTwsi4bTKhVdI4_PcKUlK6Hs8jui6mxbCyVUyUGTMhNNCwBSl1pITZhoc1t1wBQwPkc3095d8B97iMls_D6M-aRhQuuScS2rTLGJaoKPMUBndsFtbTgYSszRUzN5arKn5sdTQ7KIT6KY4bGH8Lf6H9U38z96Og</recordid><startdate>20210201</startdate><enddate>20210201</enddate><creator>Ren, Jing</creator><creator>Li, Siyue</creator><creator>He, Huan</creator><creator>Senetakis, Kostas</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7SR</scope><scope>7TB</scope><scope>7XB</scope><scope>88I</scope><scope>8AO</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FK</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>FR3</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>KR7</scope><scope>L6V</scope><scope>M2P</scope><scope>M7S</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>Q9U</scope><orcidid>https://orcid.org/0000-0003-0190-4768</orcidid></search><sort><creationdate>20210201</creationdate><title>The tribological behavior of iron tailing sand grain contacts in dry, water and biopolymer immersed states</title><author>Ren, Jing ; 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A technique was developed to apply biopolymer coating to the grain surfaces and the emphasis of the study was placed on the investigation of the influences of saturation conditions, the presence of polymer-based coating, and the abrasion on the frictional behavior of the grains. Material characterization was based on interferometry, micro-indentation and elemental composition analyses. Elastoplastic displacements dominated the first cycles of normal loading and the Young’s modulus was interpreted based on different contact models. The tailing grains showed significantly higher inter-particle friction compared with that of quartz grains. Three major characteristics which influenced the frictional behavior of the grain contacts were the abrasion, which was more dominant in the first loading cycles, the high roughness of the grains and the presence of the biopolymer coating which increased significantly the friction.
Graphic abstract</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s10035-020-01068-0</doi><orcidid>https://orcid.org/0000-0003-0190-4768</orcidid></addata></record> |
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| subjects | Abrasion Biopolymers Complex Fluids and Microfluidics Elastoplasticity Engineering Fluid Dynamics Engineering Thermodynamics Foundations Geoengineering Grains Heat and Mass Transfer Hydraulics Industrial Chemistry/Chemical Engineering Materials Science Microhardness Modulus of elasticity Original Paper Physics Physics and Astronomy Soft and Granular Matter Stiffness Tribology |
| title | The tribological behavior of iron tailing sand grain contacts in dry, water and biopolymer immersed states |
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