Aluminum iPhone 6 bends and plastic Galaxy Note 3 does not. What … – Virtual Poland

For most people, including us, it was obvious that the perpetrator problems wyginającymi in your pocket smartphones Apple is aluminum. Metal is light and very soft, so the conclusion is the same. Meanwhile, one of the members Reddit has a slightly different theory.

 According to the user with the nick DAXTER619, aluminum wine here is undisputed, but the responsibility falls to the back of the phone geometry. I have a lot of arguments in support of his hypothesis.
 
 

 According to him, which created metal iPhone 6 is an important factor, but the material must cooperate with the shape in which it was formed. Nobody uses pure aluminum for the manufacture of its equipment. Instead alloys are used, and these can be very different. Some are extremely hard (eg. 7075) and flexion even such a thin device like the Apple smartphone would be a problem. The disadvantage here is, however, a metal forming process more difficult, and therefore expensive. These types of alloys are mostly used in the transport industry – where at the forefront of the security, or in cars, ships and airplanes. Others, such as alloy 3031, are ideal for processing, whether manual, but there are also more susceptible to deformation. According DAXTERa619 “are cheap and good for decorative use.”
 
 

 Apple has used their phones anodized aluminum 6000 (probably 6003), which represents a compromise between durability and the possibility of their forming. The problem is apparently so. stress concentrations, ie adding up the tension in a given place. According redditowca when watching video in bending iPhone, you may notice that the device is bent exactly at the base of the volume buttons. And if we look closer, we see that the bending occurs only on one side – the buttons. The second remains virtually intact.
 
 

 This is due to the fact that that is where there is a stress concentration. Apple came out in the housing hole to place the buttons, and when the voice comes pressure, internal tension focuses precisely on this point. To deformation of the case do not need excessive force. Even if the plastic instead of aluminum, not much would it and could actually make things worse.
 
 

 Why? In most phones use a brittle plastic, so housing pękłaby completely. Of course, the problem could have been avoided if, in place of soft aluminum alloy harder to use his or steel, but it would confer the manufacturer of other worries.
 
 

 The reason the Galaxy Note 3 passes the test of resistance to bending, there is apparently nothing to do with the material from which it was made, but a lot of the internal geometry of the housing. There used magnesium alloy construction of the I-beam has a (cross-section has the shape of two vertical bars abuttingly letters “T”), and then is enclosed in a plastic housing. Therefore, its resistance to bending is much greater than the iPhone 6.
 
 

 So what’s at fault? Apple obsession, wanting to create a thin cover, at the expense of the practical dimension. There is a famous combination of perfect form and function, cultivated in the era of Jobs.
 

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