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A novel poly(acrylic acid‐co‐acrylamide)/halloysite nanotubes [PAA‐AM/HNTs] superabsorbent composite was synthesized by free radical polymerization with using HNTs as an inorganic additive. The composite was characterized by Fourier transform infrared spectroscopy, scanning electron microscope, and thermogravimetric analysis. The results revealed that HNTs and PAA‐AM were combined well together to...
The dynamics of the head/disk interface and the lift-tab ramp interface of hard disk drive subject to an external shock during load/unload process were modeled and simulated. The effects of the shock duration and amplitude of shock impulse on the dynamic and contact characteristics of related interfaces were analyzed. The results show that the effects of the shock on contact force and displacement...
The dynamic characteristics of the head disk interface of hard disk drives were simulated by using finite element method. The linear and angular displacement response of the suspension slider and disk were obtained and analyzed. The effect of the amplitude and duration of the external shock on the response of the slider and disk were discussed. The results can be used for the further study of operational...
The dynamic characteristics of head/disk interface and lift-tab/ramp interface in hard disk drives subject to an external shock were modeled. The displacement responses to the half sinusoidal impulse with different duration and acceleration amplitude were simulated. The dynamic behavior of dual sliders at the interface was analyzed based on the shock response of sliders and the contact at the head/disk...
The Dynamic characteristics of ultra-thin gas film at the head/disk interface of hard disk drives were studied numerically. The modified Reynolds equation for the description of the dynamic behavior of gas flow was solved by using an approach based on PDE module and iteration method. Two kinds of typical slider profiles were used to testify the proposed numerical methods. The simulation results show...
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