THERMAL SPRAYING AND HARD FACING

INTRODUCTION


Thermal spraying techniques are coating processes in which melted (or heated) materials are sprayed onto a surface.

The feedstock (coating precursor) is heated by electrical (plasma or arc) or chemical means (combustion flame).

Thermal spraying can provide thick coatings (approx. thickness range is 20 micrometers to several mm, depend ....etc

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Abstract
Hybrid hard disk drives combine a magnetic hard disk drive and flash memory into a single device. Here, the high density of magnetic hard disk drive and low power, high reliability and high speed of flash memory technology come together. In a hybrid hard disk drive, non- volatile cache is used to store frequently accessed sectors and critical system data. Those portions of operating systems required during booting are stored in flash memory, thus speeding up booting process. Most of the time disk spindle is kept idle, thus sa ....etc

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PROJECT GUIDE :
Dr.K.RAMANATHAN

Presented by:
K.KARTHIKEYAN




Abstract

Titanium nitride (TiN) is an extremely hard ceramic material, often used as a coating on titanium alloys, steel, carbide, and aluminium components to improve the substrate's surface properties.


Applied as a thin coating, TiN is used to harden and protect cutting and sliding surfaces, for decorative purposes (due to its gold appearance), and as a non-toxic exterior for medical implants.

TiN coating is for edge retention and corrosion ....etc

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what are micro hard disk drives ?
examples of micro hard disk drives ?
working of micro hard disk drives
advantages of micro hard disk drives
dis advantages of micro hard disk drives
what are micro hard disk drives ?
examples of micro hard disk drives ?
working of micro hard disk drives
advantages of micro hard disk drives
dis advantages of micro hard disk drives ....etc

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full detail view of micro hard disk drives ....etc

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I want seminar report on hard coating on tools please post on site ....etc

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Solid State Hard Disk


INTRODUCTION ABOUT SOLID STATE HARD DISK

A solid-state drive (SSD) is a data storage device that uses solid-state memory to store persistent data. A SSD uses SRAM or DRAM .

The original usage of the term solid-state refers to the use of semiconductor devices rather than electron tubes.

With no moving parts, solid-state drives are less fragile than hard disks and are also silent

SSD Technology

Flash SSD’s are esse ....etc

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Abstract.
We introduce captcha, an automated test that humans can pass, but current computer programs canâ„¢t pass: any program that has high success over a captcha can be used to solve an unsolved Arti?- cial Intelligence (AI) problem. We provide several novel constructions of captchas. Since captchas have many applications in practical secu- rity, our approach introduces a new class of hard problems that can be exploited for security purposes. Much like research in cryptography has had a positive impact on algorithms for factoring and ....etc

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ABSTRACT

This paper presents a new design and implementation of HDD (Hard Disk Drive) embedded DSR (Digital Satellite Receiver). The digital broadcasting technology enables multimedia access via broadcasting system. The amount of digital data to be processed is increased as compared to the previous broadcasting environment. In this paperâ„¢ a method is proposed to provide storage ability of a DSR to cope with these changes. Efficient digital data storage and management technology is also discussed. The real data recording and playing b ....etc

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