toughened glass properties pdf

0000001851 00000 n This means that to shatter a 1cm cube of glass, it requires a load of some 10 tonnes.When glass is deflected, it has one face under compression and the other in tension. 1.3.2 Processing Tempered glass: Tempered glass must not be cut, edged and worked. 0000001623 00000 n A functional table, strong and sturdy. 0000003659 00000 n trailer 0000009328 00000 n %PDF-1.3 %���� 0000010364 00000 n 0000006951 00000 n 0000130902 00000 n

The limited aspect ratio capability of toughened glass will invariably result in toughened glass mullions needing to be wider than the dimensions specified. 0000011791 00000 n 0000008957 00000 n 0000001293 00000 n 0000001071 00000 n PROPERTIES Toughened glass is physically and thermally stronger than regular glass. 0000001301 00000 n 0000003215 00000 n Compressive strength. ® Sediver Toughened Glass have the unique ability to resist the effects of time and the elements with no degradation of mechanical or electrical performance for the following reasons: Toughened glass shell is immune to the effects of micro-crack propagation with time and load / temperature cycling, which is typical of porcelain. 0000004343 00000 n 169 32 0000009693 00000 n /Encrypt 56 0 R Toughened glass is a processed glass, which has more strength than float glass. A combination of materials will be integrated to form the table. < Strength of Glass Decreases 0000003895 00000 n 0000007160 00000 n endobj 0000008085 00000 n These will include - glass, laminated aeroply for the legs/supporyts, chrome steel rods. Introduction to Glass Technology 7 Theoretical Strength of Glass • Theoretical strength of glass can be calculated from the energy needed to separate a plane of atoms, see diagram • Si - O covalent bonds are strong, circa 104 kcal • Calculated value gives: 18 GPa or 2.6 million Psi • Most practical and design strengths are 1000 times less! 0000095748 00000 n /Info 53 0 R 0000006356 00000 n 0000011002 00000 n /Linearized 1 For examples, the reflection glass curtainwalls have been widely used in China in the past 30 years: the area of reflection glass curtainwall soared to 200 million square meters; meanwhile,

0000012968 00000 n 0000013060 00000 n This rapid cooling puts the glass surface into a state of compression while the centre core remains in tension. 0000009972 00000 n 0000014059 00000 n /T 354317 54 25 /Prev 354305 %���� toughened glass with high impact strength, the bullet-proof glass, and some other coloured glass have been produced and used extensively in industries [1]. Glass to the max. 0000007616 00000 n /H [ 1293 318 ] 0000001997 00000 n 0000002968 00000 n

Whilst the resistance of glass to compressive stress is extremely high, its resistance to tensile stress is significantly lower.The resistance to breakage on deflection is in the order of:Glass is a perfectly elastic material: it does not exhibit permanent deformation, until breakage. /N 4 Toughened glass features some relevant properties that make it a material of choice among various industries: Superior strength compared to annealed glass When failure occurs, glass panels shatter into small pieces, rather than sharp shards, which is the case with annealed glass. 0000005575 00000 n 0000004369 00000 n Highly transparent extra clear glass, which has very little residual colour. /Size 79 In the event 0000004599 00000 n 0000011279 00000 n 0000008020 00000 n Properties Toughened glass 0000073181 00000 n 0000006162 00000 n

%PDF-1.5 The density of glass is 2.5, which gives flat glass a mass of 2.5kg per m2 per mm of thickness, or 2500 kg per m3. Heat soak test is recommended to be carried out on Toughened glass that is used for overhead and horizontal application, to prevent the spontaneous breakage caused due to nickel sulphide inclusion. 0000092526 00000 n 0000003755 00000 n 0000012726 00000 n This coefficient is generally given for a temperature range of 20 to 300°C.The coefficient of linear expansion for glass is 9 x 10-6 m/mk.A piece of glass 2 metres in length (expressed in mm) subjected to an increase in temperature of 30°C will lengthen by:In applications or systems where there is a risk of creating significant temperature differences in the glass pane, it may be necessary to take special precautions during processing and installation.

0000003779 00000 n 0000111205 00000 n 0000002085 00000 n Glass panels now designed as self-supporting system to get fully transparent structures.

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