Effect of Cr2O3-TiO2 addition on the physical properties of zirconia toughened alumina
Zirconia toughened alumina (ZTA) has good mechanical properties and widely used in cutting insert application. Although the ZTA is well known of its good mechanical properties, its still can be improved in order to produce better properties. It can be done by adding additives as reinforcement such a...
| Main Authors: | , , , , |
|---|---|
| Format: | Conference or Workshop Item |
| Published: |
Trans Tech Publications Ltd
2016
|
| Subjects: |
| _version_ | 1796862107176665088 |
|---|---|
| author | Manshor, H. Ramli, A. W. Ahmad Azhar, A. Z. Abdullah, E. C. Ahmad, Z. A. |
| author_facet | Manshor, H. Ramli, A. W. Ahmad Azhar, A. Z. Abdullah, E. C. Ahmad, Z. A. |
| author_sort | Manshor, H. |
| collection | ePrints |
| description | Zirconia toughened alumina (ZTA) has good mechanical properties and widely used in cutting insert application. Although the ZTA is well known of its good mechanical properties, its still can be improved in order to produce better properties. It can be done by adding additives as reinforcement such as magnesium oxide (MgO), cerium oxide (CeO2), titania (TiO2) and chromia (Cr2O3). The effects of TiO2-Cr2O3 addition on the physical properties of ZTA were investigated in this study. The composition of TiO2 was varied from 0 wt.% to 3.5 wt.% while Cr2O3 was fixed at 5 wt.%. The starting powder materials were mixed by wet mixing for 30 minutes in acetone. Then the powder mixtures were hydraulically pressed at 260 MPa. The green pellets were sintered at 1600 °C for 1 hour using an electrical furnace in presureless condition. The results were characterized by XRD, density, and also Vickers hardness. The ZTA-Cr2O3-TiO2 ceramic composite achieved the highest density of 4.1 g/cm3 and Vickers hardness of 1919 HV prior to the addition of 2.0 wt.% TiO2. Therefore, it can be decisively concluded that the addition of Cr2O3-TiO2 does affected the properties of ZTA. |
| first_indexed | 2024-03-05T20:06:33Z |
| format | Conference or Workshop Item |
| id | utm.eprints-73633 |
| institution | Universiti Teknologi Malaysia - ePrints |
| last_indexed | 2024-03-05T20:06:33Z |
| publishDate | 2016 |
| publisher | Trans Tech Publications Ltd |
| record_format | dspace |
| spelling | utm.eprints-736332017-11-28T06:27:35Z http://eprints.utm.my/73633/ Effect of Cr2O3-TiO2 addition on the physical properties of zirconia toughened alumina Manshor, H. Ramli, A. W. Ahmad Azhar, A. Z. Abdullah, E. C. Ahmad, Z. A. T Technology (General) Zirconia toughened alumina (ZTA) has good mechanical properties and widely used in cutting insert application. Although the ZTA is well known of its good mechanical properties, its still can be improved in order to produce better properties. It can be done by adding additives as reinforcement such as magnesium oxide (MgO), cerium oxide (CeO2), titania (TiO2) and chromia (Cr2O3). The effects of TiO2-Cr2O3 addition on the physical properties of ZTA were investigated in this study. The composition of TiO2 was varied from 0 wt.% to 3.5 wt.% while Cr2O3 was fixed at 5 wt.%. The starting powder materials were mixed by wet mixing for 30 minutes in acetone. Then the powder mixtures were hydraulically pressed at 260 MPa. The green pellets were sintered at 1600 °C for 1 hour using an electrical furnace in presureless condition. The results were characterized by XRD, density, and also Vickers hardness. The ZTA-Cr2O3-TiO2 ceramic composite achieved the highest density of 4.1 g/cm3 and Vickers hardness of 1919 HV prior to the addition of 2.0 wt.% TiO2. Therefore, it can be decisively concluded that the addition of Cr2O3-TiO2 does affected the properties of ZTA. Trans Tech Publications Ltd 2016 Conference or Workshop Item PeerReviewed Manshor, H. and Ramli, A. W. and Ahmad Azhar, A. Z. and Abdullah, E. C. and Ahmad, Z. A. (2016) Effect of Cr2O3-TiO2 addition on the physical properties of zirconia toughened alumina. In: Seminar on Advanced Materials haracterization Techniques in Research, Industry and Nuclear Applications, AMCT 2015, 9-10 June 2015, Selangor, Malaysia. https://www.scopus.com/inward/record.uri?eid=2-s2.0-84958073984&doi=10.4028%2fwww.scientific.net%2fMSF.840.34&partnerID=40&md5=252329478f410a7a33825990f6a4a8b5 |
| spellingShingle | T Technology (General) Manshor, H. Ramli, A. W. Ahmad Azhar, A. Z. Abdullah, E. C. Ahmad, Z. A. Effect of Cr2O3-TiO2 addition on the physical properties of zirconia toughened alumina |
| title | Effect of Cr2O3-TiO2 addition on the physical properties of zirconia toughened alumina |
| title_full | Effect of Cr2O3-TiO2 addition on the physical properties of zirconia toughened alumina |
| title_fullStr | Effect of Cr2O3-TiO2 addition on the physical properties of zirconia toughened alumina |
| title_full_unstemmed | Effect of Cr2O3-TiO2 addition on the physical properties of zirconia toughened alumina |
| title_short | Effect of Cr2O3-TiO2 addition on the physical properties of zirconia toughened alumina |
| title_sort | effect of cr2o3 tio2 addition on the physical properties of zirconia toughened alumina |
| topic | T Technology (General) |
| work_keys_str_mv | AT manshorh effectofcr2o3tio2additiononthephysicalpropertiesofzirconiatoughenedalumina AT ramliaw effectofcr2o3tio2additiononthephysicalpropertiesofzirconiatoughenedalumina AT ahmadazharaz effectofcr2o3tio2additiononthephysicalpropertiesofzirconiatoughenedalumina AT abdullahec effectofcr2o3tio2additiononthephysicalpropertiesofzirconiatoughenedalumina AT ahmadza effectofcr2o3tio2additiononthephysicalpropertiesofzirconiatoughenedalumina |