Bryan Gardiner wrote an incredible post for Wired which explores the creation plus history of Gorilla Glass. Glass Works: How Corning Created the Ultrathin, Ultrastrong is an great read, specifically in the event you have an iPhone.
The ubiquitous glass — found inside the iPhone, Galaxy S3 plus Lumia 900 — was born from an R&D project at Corning which looked for techniques to leverage its experience inside creating strengthened glass. The breakthrough occured whenever Corning noticed which adding aluminum oxide to its glass composition before bathing it inside hot potassium salt built glass with unmatched strength.
Gorilla Glass 1.0 can withstand 100,000 pounds of stress per square inch wheras usual glass could handle regarding 7,000 PSI. A 1-mm-thick part of today’s Gorilla Glass 2.0 (believed to be what’s included inside the iPhone 5) will withstand 2 joules of vitality from an impact hammer without shattering.
Here are other interesting nuggets within the article:
Corning’s initially artificial glass-ceramic, dubbed Pyroceram, is lighter than aluminum, harder than high-carbon steel, plus various instances stronger than usual soda-lime glass. Pyroceram eventually found its method into everything from missile nose cones to chemistry labs. It may equally be utilized inside microwave ovens, plus inside 1959 Pyroceram debuted because a line of space-age serving meals called Corningware.
In 1962 Corning advertised its hot glass to producers of telephone booths, prison windows, plus eyeglasses because Chemcor, however, it was recalled for worry of the possibly explosive breaks. Chemcor appeared liked a advantageous fit for vehicle windshield (it quickly appeared inside certain AMC Javelins) however, the added expense had been a deal breaker for car producers. It didn’t aid which crash tests found which “head deceleration was greatly higher” about Chemcor windshields, meaning which windshields might stay intact, however skulls wouldn’t. The product, acknowledged internally because “0317,” was put onto a shelf inside 1971 till a more useful application may be found.
In 2005 Corning revisited its 4mm thick Chemcor samples whenever Motorola introduced the Razr V3 flip telephone. Instead of high-impact plastic, the V3 featured a glass screen that set the wheels inside motion. Corning revived “0317 as well as the project was codenamed “Gorilla Glass.” In February 2007 Steve Jobs asked Corning CEO Wendell Weeks when he may create millions of square feet of 1.3mm thin, ultrastrong glass in six months.
The issues were many. Chemcor had not been mass-produced about which kind of scale plus it wasn’t acknowledged when it can be produced ultrathin plus nonetheless retain its strength. Suffice it to state which the small business from Harrodsburg Kentucky had a big hit about its hands. Corning’s Gorilla Glass revenue skyrocketed from $ 20 million inside 2007 to $ 700 million inside 2011 plus it plans about releasing an even stronger adaptation 3.0 “early upcoming year.”
The post is an great read, plus very suggested.
the fascinating research of gorilla glass
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