Gorilla glass my my

Discussion in 'Droid RAZR' started by kyfa25, Dec 27, 2011.

  1. kyfa25

    kyfa25 Member

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    Ok had my first drop... ofcourse it landed butter side down and scratched the glass.. happier than a pink pony... luckly its not horrible ... but yeah.. gorilla glass is a sales gimmick ...

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    #1 kyfa25, Dec 27, 2011
    Last edited by a moderator: Dec 27, 2011
  2. Droid Firefighter

    Droid Firefighter Senior Member

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    Its also just glass. Take you car keys and scratch your window. Any marks? Nope. Its made to not scratch in your pocket or face down on a desk or counter.

    This post is Incredible 2!
     
  3. kyfa25

    kyfa25 Member

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    Good point. But cant i get a first time drop get out of jail free card? Haha.. oh well.. its nit horrible...

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  4. FoxKat

    FoxKat Premium Member
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    No, it's not a sales gimmick... Read on.

    From Corning's website;

    " WHAT MAKES GORILLA GLASS SO DAMAGE RESISTANT? The unique composition of Gorilla Glass allows for a deep layer of high compressive stress (created through an ion-exchange process). This compression acts as a sort of "armor",making the glass exceptionally tough and damage resistant.

    CAN YOU EXPLAIN THE ION-EXCHANGE PROCESS? Ion exchange is a chemical strengthening process where large ions are "stuffed" into the glass surface, creating a state of compression. Gorilla Glass is specially designed to maximize this behavior.

    The glass is placed in a hot bath of molten salt at a temperature of approximately 400°C. Smaller sodium ions leave the glass, and larger potassium ions from the salt bath replace them. These larger ions take up more room and are pressed together when the glass cools, producing a layer of compressive stress on the surface of the glass. Gorilla Glass's special composition enables the potassium ions to diffuse far into the surface, creating high compressive stress deep into the glass. This layer of compression creates a surface that is more resistant to damage from everyday use."

    You may notice they mention the word "surface" several times in the FAQ. NOWHERE does it say it is shatter-proof [or scratch-proof]. It does make it more resistive to cracking from flex due to its more uniform compressive surfaces which leaves the surface with less places for cracks to start from, but again, if flexed beyond the limits of its design, it will break. Also as mentioned by others, temperatures - and especially temperature shock (sudden or rapid change from cold to hot or vice versa) can help to push the glass's engineered stress higher, effectively temporarily reducing its ability to resist impact and flex failures.

    Anything that is harder is also generally more brittle, whereas flexibility comes with softer materials. Perhaps a good analogy would be Concrete and Steel. Concrete is very stiff and strong but also brittle and susceptible to cracking. Steel is flexible and resistant to cracking. The two when formed into one common structure as its done in Steel-reinforced Concrete, enhance each others' beneficial properties and reduce their undesirable ones.

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  5. kyfa25

    kyfa25 Member

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    I like how i got rewerded by the moderator.. pink pony? Lol too funny. As for the gorilla glass "surface" its allot of manipulative fabrication techniques to appear as tho its more durable than just glass that doesnt scratch.. big deal ur keys dont scratch the screen ... my blackberry's screen didnt have gorilla glass and it never scratched.. i also dropped it more times than i can remember ... anywho. I digress... i still feel as tho its a marketing ploy to send a false sense of durability to the consumor .... thats just my take

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  6. FoxKat

    FoxKat Premium Member
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    Lol, I thought you actually wrote that yourself.

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  7. smokiedabong

    smokiedabong Member

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    At this moment there is no known glass like material that can't be scratched or shattered, unless some aliens are willing to share some of their knowledge this is the best we got. I don't know what you are expecting from a sheet of glass 0.02" thick, I think it's damn good, certainly a huge leap from the smartphones we had just 3 years ago

    [​IMG]

    [​IMG]
     
  8. ddfuji

    ddfuji Member

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    Or a lucky drop...

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  9. kyfa25

    kyfa25 Member

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    Im not expecting much to be honest. But if you watch the commercials they really emphasise on the gorilla glass as its some sort of selling point. Its really nothing special is my point...

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  10. ddfuji

    ddfuji Member

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    It is a selling point though. Its better then regular glass don't you agree?

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  11. kyfa25

    kyfa25 Member

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    Foxcat.. haha yeh the moderator sent me a pm for my use of a word. So they kindly reworded it for me ...

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  12. zomnomnombie

    zomnomnombie Active Member

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    Gorilla Glass is scratch resistant like all other glass.

    It can handle high pressure meaning if you sit on it or press it against something it will hold. The larger the surface area that the pressure covers the better.

    However high pressure does mean it can handle impacts. It can handle pressure applied slowly like most materials but pressure applied quickly(like a fall) will cause too much stress and cause breakage.

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