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Influence of Processing Parameters of Warm Compaction on Green Density of Molybdenum Powder and Compact Defect Analysis
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| Zeitschriftentitel: | Advanced Materials Research |
|---|---|
| Personen und Körperschaften: | , |
| In: | Advanced Materials Research, 314-316, 2011, S. 524-529 |
| Format: | E-Article |
| Sprache: | Unbestimmt |
| veröffentlicht: |
Trans Tech Publications, Ltd.
|
| Schlagwörter: |
| author_facet |
Li, Jian Yang, Bin Ting Li, Jian Yang, Bin Ting |
|---|---|
| author |
Li, Jian Yang, Bin Ting |
| spellingShingle |
Li, Jian Yang, Bin Ting Advanced Materials Research Influence of Processing Parameters of Warm Compaction on Green Density of Molybdenum Powder and Compact Defect Analysis General Engineering |
| author_sort |
li, jian |
| spelling |
Li, Jian Yang, Bin Ting 1662-8985 Trans Tech Publications, Ltd. General Engineering http://dx.doi.org/10.4028/www.scientific.net/amr.314-316.524 <jats:p>Utilization of MSC.Marc FEM software, the typical warm compaction process of molybdeum powder was simulated. Influence of processing parameters of warm compaction on green density of molybdenum powder were studied. Furthermore, the commonly defect existing in green body were analyzed. The results show that compaction pressure is an important factor on green density. At the beginning of warm compaction, average relative density rises linearly along with the increasing pressure. The green density increases with the suppression speed increasing, when velocity value reaches 7mm/s the density will not increase anymore. After the value of friction coefficient is greater than 0.1,green density decreases with the friction coefficient increasing. Influence of temperature on compaction is improvement of the lubrication condition, and reduces the friction coefficient. The appearance of axial tensile stress is the important factor which causes delamination and cracks. Internal friction and lubrication condition of powder mixed system is the important reason results in defect.</jats:p> Influence of Processing Parameters of Warm Compaction on Green Density of Molybdenum Powder and Compact Defect Analysis Advanced Materials Research |
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Trans Tech Publications, Ltd., 2011 |
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2011 |
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Advanced Materials Research |
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49 |
| title |
Influence of Processing Parameters of Warm Compaction on Green Density of Molybdenum Powder and Compact Defect Analysis |
| title_unstemmed |
Influence of Processing Parameters of Warm Compaction on Green Density of Molybdenum Powder and Compact Defect Analysis |
| title_full |
Influence of Processing Parameters of Warm Compaction on Green Density of Molybdenum Powder and Compact Defect Analysis |
| title_fullStr |
Influence of Processing Parameters of Warm Compaction on Green Density of Molybdenum Powder and Compact Defect Analysis |
| title_full_unstemmed |
Influence of Processing Parameters of Warm Compaction on Green Density of Molybdenum Powder and Compact Defect Analysis |
| title_short |
Influence of Processing Parameters of Warm Compaction on Green Density of Molybdenum Powder and Compact Defect Analysis |
| title_sort |
influence of processing parameters of warm compaction on green density of molybdenum powder and compact defect analysis |
| topic |
General Engineering |
| url |
http://dx.doi.org/10.4028/www.scientific.net/amr.314-316.524 |
| publishDate |
2011 |
| physical |
524-529 |
| description |
<jats:p>Utilization of MSC.Marc FEM software, the typical warm compaction process of molybdeum powder was simulated. Influence of processing parameters of warm compaction on green density of molybdenum powder were studied. Furthermore, the commonly defect existing in green body were analyzed. The results show that compaction pressure is an important factor on green density. At the beginning of warm compaction, average relative density rises linearly along with the increasing pressure. The green density increases with the suppression speed increasing, when velocity value reaches 7mm/s the density will not increase anymore. After the value of friction coefficient is greater than 0.1,green density decreases with the friction coefficient increasing. Influence of temperature on compaction is improvement of the lubrication condition, and reduces the friction coefficient. The appearance of axial tensile stress is the important factor which causes delamination and cracks. Internal friction and lubrication condition of powder mixed system is the important reason results in defect.</jats:p> |
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| author | Li, Jian, Yang, Bin Ting |
| author_facet | Li, Jian, Yang, Bin Ting, Li, Jian, Yang, Bin Ting |
| author_sort | li, jian |
| container_start_page | 524 |
| container_title | Advanced Materials Research |
| container_volume | 314-316 |
| description | <jats:p>Utilization of MSC.Marc FEM software, the typical warm compaction process of molybdeum powder was simulated. Influence of processing parameters of warm compaction on green density of molybdenum powder were studied. Furthermore, the commonly defect existing in green body were analyzed. The results show that compaction pressure is an important factor on green density. At the beginning of warm compaction, average relative density rises linearly along with the increasing pressure. The green density increases with the suppression speed increasing, when velocity value reaches 7mm/s the density will not increase anymore. After the value of friction coefficient is greater than 0.1,green density decreases with the friction coefficient increasing. Influence of temperature on compaction is improvement of the lubrication condition, and reduces the friction coefficient. The appearance of axial tensile stress is the important factor which causes delamination and cracks. Internal friction and lubrication condition of powder mixed system is the important reason results in defect.</jats:p> |
| doi_str_mv | 10.4028/www.scientific.net/amr.314-316.524 |
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| imprint | Trans Tech Publications, Ltd., 2011 |
| imprint_str_mv | Trans Tech Publications, Ltd., 2011 |
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| physical | 524-529 |
| publishDate | 2011 |
| publishDateSort | 2011 |
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| recordtype | ai |
| series | Advanced Materials Research |
| source_id | 49 |
| spelling | Li, Jian Yang, Bin Ting 1662-8985 Trans Tech Publications, Ltd. General Engineering http://dx.doi.org/10.4028/www.scientific.net/amr.314-316.524 <jats:p>Utilization of MSC.Marc FEM software, the typical warm compaction process of molybdeum powder was simulated. Influence of processing parameters of warm compaction on green density of molybdenum powder were studied. Furthermore, the commonly defect existing in green body were analyzed. The results show that compaction pressure is an important factor on green density. At the beginning of warm compaction, average relative density rises linearly along with the increasing pressure. The green density increases with the suppression speed increasing, when velocity value reaches 7mm/s the density will not increase anymore. After the value of friction coefficient is greater than 0.1,green density decreases with the friction coefficient increasing. Influence of temperature on compaction is improvement of the lubrication condition, and reduces the friction coefficient. The appearance of axial tensile stress is the important factor which causes delamination and cracks. Internal friction and lubrication condition of powder mixed system is the important reason results in defect.</jats:p> Influence of Processing Parameters of Warm Compaction on Green Density of Molybdenum Powder and Compact Defect Analysis Advanced Materials Research |
| spellingShingle | Li, Jian, Yang, Bin Ting, Advanced Materials Research, Influence of Processing Parameters of Warm Compaction on Green Density of Molybdenum Powder and Compact Defect Analysis, General Engineering |
| title | Influence of Processing Parameters of Warm Compaction on Green Density of Molybdenum Powder and Compact Defect Analysis |
| title_full | Influence of Processing Parameters of Warm Compaction on Green Density of Molybdenum Powder and Compact Defect Analysis |
| title_fullStr | Influence of Processing Parameters of Warm Compaction on Green Density of Molybdenum Powder and Compact Defect Analysis |
| title_full_unstemmed | Influence of Processing Parameters of Warm Compaction on Green Density of Molybdenum Powder and Compact Defect Analysis |
| title_short | Influence of Processing Parameters of Warm Compaction on Green Density of Molybdenum Powder and Compact Defect Analysis |
| title_sort | influence of processing parameters of warm compaction on green density of molybdenum powder and compact defect analysis |
| title_unstemmed | Influence of Processing Parameters of Warm Compaction on Green Density of Molybdenum Powder and Compact Defect Analysis |
| topic | General Engineering |
| url | http://dx.doi.org/10.4028/www.scientific.net/amr.314-316.524 |