Dental implants are the treatment of choice for the replacement of missing teeth nowadays.But placement of implants in the alveolar bone remains a challenge for most of the clinicians because of the resorption of the residual ridge resulting in insufficient bone volume in one or more dimensions. Various surgical techniques to augment the thin ridges not only increases the morbidity but also results in increase of the expenditure involved as well as time taken. All these factors act as deterrents for the acceptance of the treatment plan by the patient. Need of the hour is to review the various bone manipulation techniques developed over the years and use a suitable conservative technique.
The steady states creep and rupture time response in a transversely isotropic FG rotating disc has been investigated. The disc under investigation is made of FGM containing non-linear distribution of silicon carbide particle (SiCp) in a matrix of pure aluminum along the radial distance. The stresses and strain rates in the FGM disc have been estimated for different values of anisotropic constant () varying between 0.5 to 1.5. It is observed that radial stress in the disc decreases a little by increasing () from 0.5 to 1.5. However, the tangential stress in the disc increases near the inner radius, but decreases towards the outer radius when increases from 0.5 to 1.5. The radial as well as tangential strain rates in the FGM disc are significantly reduce with the increase in extent of anisotropy from 0.5 to 1.5.
In the present study, we have investigated stress analysis of a Functionally Graded (FG) Rotating Disc. The disc under observation is made of Al-SiCp composite. The effect of increasing particle gradient (PG) on strain in the disc has been investigated. It is concluded that the strains in the FGM disc reduces significantly with increasing SiCp particle gradient in Al matrix.
In the present study, we have investigated effect of varying reinforcement profile on creep rates in a Functionally Graded (FG) Rotating Disc. The disc under observation is made of Al-SiCp composite. The SiCp particle content is decreasing radially for negative value of reinforcement gradation index (n) while it is increasing for the positive value of n. It is concluded that the creep rates in the FGM disc reduces significantly with decreasing value of reinforcement gradation index.
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