Characteristics of aluminum-based composites reinforced of Al2O3/B4C by accumulative roll bonding (ARB)

Pramono, Agus; Zulfia, Anne; Alhamidi, Ali; Alfirano,; Suryana, Suryana; Milandia, Anistasia

doi:10.36055/tjst.v17i2.12156

Cited by 2 publications

(2 citation statements)

References 15 publications

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“…If related to the normal stress value, of the three maximum main stress values, there is no maximum main stress value that exceeds the normal stress value, so no failure occurs in all samples. In Figure 5 it can be seen that the results of pressure on research (11)(12)(13) did not fail in the 3 samples.…”

Section: Resultsmentioning

confidence: 92%

Analysis of Stress Distribution of Composites Based on Hydroxyapatite by Finite Element Method

Pramono,

Milandia,

Suryana

et al. 2023

MSF

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Self-propagating intermediate temperature synthesis (SIS) is a process that utilizes exothermic reactions to initiate and maintain component combustion so as to produce low porosity values and high hardness. It is necessary to know about the heat transfer phenomenon because SIS has a weakness, namely the high exothermic rate and very fast combustion rate which requires a high level of control. In addition, compression or compaction needs to be done because this method is expected to produce a homogeneous particle density distribution. The phenomenon of heat transfer and pressure that occurs in the SIS process is a simplification of the self-propagating high-temperature synthesis (SHS) process, which can be simulated and analyzed using engineering software based on finite element analysis. Stress simulation that occurs with the addition of weight percent titanium 5%, 10% and 20% using a pressure of 171 MPa and produces a normal stress. The heat transfer simulation that occurs uses a temperature of 750 °C, 850 °C, and 950 °C with a processing time of 2 hours with variations in the addition of weight percent titanium 5%, 10%, and 20% which results in an effect on heat flux and temperature distribution. Samples that were given the addition of 20% titanium by weight were given a pressure of 171 MPa to produce a normal stress of-230.44 MPa with the lowest porosity value of 22.63%. Samples processed at 850 °C with the addition of 10% weight percent titanium produced the lowest heat flux value of 0.0027220 W/m2.

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Section: Resultsmentioning

confidence: 92%

Analysis of Stress Distribution of Composites Based on Hydroxyapatite by Finite Element Method

Pramono,

Milandia,

Suryana

et al. 2023

MSF

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“…The APB process shown in figure 4f, the clusters and particle-free zone of the reinforcing ceramic material almost disappear, and the composite contains a truly uniform ceramic reinforcement particle distribution. If there is a change in the morphology of the grain, it will affect the increase in mechanical properties, but the volume fraction of the reinforcing particles will tend to decrease [20][21][22]. Increasing the number of cycles in all processes will cause reinforcing particles to spread from the interface to all parts of the aluminium matrix so that the distribution of the reinforcing particles will increase.…”

Section: Comparison Of Microstructuresmentioning

confidence: 99%

High Strength of Aluminium-Based Composites by Different Methods of Severe Plastic Deformation (SPD)

Pramono

Zulfia

Dhoska

et al. 2022

MSF

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Composite materials were applied to meet the demands of production efficiency on industrial because they offered the superior properties both of aspects on mechanical and physical properties were constantly being refined and developed with several methods. Composite technology with aluminum as a matrix as well as ceramic materials as reinforcement was very dependent on a result of the perfection of the manufacturing process on the matrix material and reinforcement was used. Aluminum currently still dominates as a matrix because of its ductility, while reinforcing materials that are widely used are ceramic elements such as silicon carbide (SiC) and alumina (Al2O3). Using of SiC/Al2O3 has been widely studied because of the remarkable improvement of the mechanical properties it produces. The addition of number of SiC particles to Al2O3 was able to significantly increase the hardness properties. In this study, a number of composite manufacturing methods were compared from the results of properties by accumulative press bonding (APB), accumulative roll bonding (ARB), and repetitive press roll forming (RPRF). The mechanical properties of RPRF results are known to produce better properties, especially mechanical properties. Mechanical properties were observed from tensile and hardness tests. The finer grain size is produced by increasing the compression cycle and increasing the mechanical properties when adding double reinforcement of the SiC/Al2O3, which causes the strength and hardness of the RPRF results to increase. Whereas other methods such as APB and ARB it is not compatible with composite materials, this proves that the RPRF method was very suitable for processing composite materials compared to APB and ARB methods.

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Characteristics of aluminum-based composites reinforced of Al2O3/B4C by accumulative roll bonding (ARB)

Cited by 2 publications

References 15 publications

Analysis of Stress Distribution of Composites Based on Hydroxyapatite by Finite Element Method

Analysis of Stress Distribution of Composites Based on Hydroxyapatite by Finite Element Method

High Strength of Aluminium-Based Composites by Different Methods of Severe Plastic Deformation (SPD)

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