LEADER 01098nam a2200289 i 4500 001 991002578219707536 005 20020508202626.0 008 960524s1993 ||| ||| | eng 020 $a041513630X 020 $a0460861786 035 $ab11030586-39ule_inst 035 $aPARLA165346$9ExL 040 $aDip. Scienze Storiche$bita 100 1 $aGilbert, Martin$0223002 245 14$aThe dent Atlas of the Arab-Israeli conflict /$cMartin Gilbert 250 $a6. ed 260 $aLondon :$bJM Dent,$c1993 300 $a146 p. ;$c26 cm. 650 4$aAtlante - Conflitto Arabo-Israeliano 650 4$aConflitto arabo-israeliano - Atlante 907 $a.b11030586$b21-09-06$c28-06-02 912 $a991002578219707536 945 $aLE009 Stor. 79.1-438 bis$g1$iLE009N-6323$lle009$o-$pE0.00$q-$rl$s- $t0$u0$v0$w0$x0$y.i11151717$z28-06-02 945 $aLE009 Stor. 79.1-439$g1$iLE009N-6326$lle009$o-$pE0.00$q-$rl$s- $t0$u0$v0$w0$x0$y.i11151729$z28-06-02 996 $aDent Atlas of the Arab-Israeli conflict$9862754 997 $aUNISALENTO 998 $ale009$b01-01-96$cm$da $e-$feng$gxx $h4$i2 LEADER 05078nam 2200613Ia 450 001 9910830318303321 005 20170814184003.0 010 $a3-527-63697-8 010 $a3-527-63698-6 010 $a3-527-63696-X 035 $a(CKB)3460000000080841 035 $a(EBL)1204918 035 $a(OCoLC)761321913 035 $a(SSID)ssj0000622290 035 $a(PQKBManifestationID)11440830 035 $a(PQKBTitleCode)TC0000622290 035 $a(PQKBWorkID)10642079 035 $a(PQKB)11722752 035 $a(MiAaPQ)EBC1204918 035 $a(PPN)185628613 035 $a(EXLCZ)993460000000080841 100 $a20111012d2012 uy 0 101 0 $aeng 135 $aur|n|---||||| 181 $ctxt 182 $cc 183 $acr 200 10$aLaser welding of plastics$b[electronic resource] /$fRolf Klein 205 $a2nd ed. 210 $aWeinheim $cWiley-VCH$dc2012 215 $a1 online resource (200 p.) 300 $aDescription based upon print version of record. 311 $a3-527-40972-6 320 $aIncludes bibliographical references and index. 327 $aLaser Welding of Plastics; Contents; Introduction; 1 Material Properties of Plastics; 1.1 Formation and Structure; 1.2 Types of Plastics; 1.2.1 Thermoplastic Resins; 1.2.1.1 Amorphous Thermoplastics; 1.2.1.2 Semicrystalline Thermoplastics; 1.2.2 Elastomers; 1.2.3 Thermosets; 1.2.4 Polymer Compounds; 1.2.4.1 Polymer Blends; 1.2.4.2 Copolymers; 1.2.4.3 Thermoplastic Elastomers; 1.2.5 Polymer Composites; 1.3 Thermal Properties; 1.3.1 Phase Transitions; 1.3.1.1 Glass Transition (Tg); 1.3.1.2 Flow Temperature (Tf); 1.3.1.3 Crystallite Melting Temperature (Tm); 1.3.1.4 Thermal Decomposition (Td) 327 $a1.3.2 Specific Volume1.3.3 Heat Capacity; 1.3.4 Heat Conduction; 1.3.5 Temperature Conduction; 1.3.5.1 Amorphous Thermoplastics; 1.3.5.2 Semicrystalline Thermoplastics; 1.4 Optical Properties; 1.4.1 Optical Constants; 1.4.2 Reflection, Transmission and Absorption Behavior; 1.4.3 Scattering of NIR- and IR-Radiation in Plastics; 1.4.4 Absorption of NIR-Laser Radiation (? = 800 nm to 1200 nm); 1.4.4.1 Electronic Excitation; 1.4.4.2 Vibronic Excitation; 1.4.4.3 Summarizing Comment; 1.4.5 Absorption of NIR-Laser Radiation (? = 1200 nm to 2500 nm) 327 $a1.4.6 Absorption of MIR-Laser Radiation (? = 2.5 mm to 25 ?m)1.4.7 Adaptation of NIR-Radiation Absorption by Additives; 1.4.7.1 Carbon Black; 1.4.7.2 Inorganic Pigments; 1.4.7.3 Organic Dyes; 1.4.7.4 Summarizing Comment; References; 2 Laser Sources for Plastic Welding; 2.1 Properties of Laser Radiation; 2.1.1 Laser Wavelength; 2.1.2 Intensity Distribution; 2.1.3 Beam Propagation; 2.1.4 Focusing Properties; 2.2 Types of Lasers; 2.2.1 Diode Lasers (800 to 2000 nm); 2.2.2 Nd:YAG-Lasers (1064 nm); 2.2.3 Fiber Lasers; 2.2.4 CO2-Lasers (10.6 ?m); 2.2.5 Summary; 2.3 Beam Guiding and Focusing 327 $a2.3.1 Beam-Guiding Systems2.3.1.1 Glass-Fiber Systems; 2.3.1.2 Mirror Systems; 2.3.2 Focusing Systems; 2.3.2.1 Static Focusing Systems; 2.3.2.2 Dynamic Focusing Systems; 2.3.3 Beam-Shaping Optics; 2.4 Principle Setup of Laser Welding Systems; References; 3 Basics of Laser Plastic Welding; 3.1 Heat Generation and Dissipation; 3.1.1 Absorption of Laser Radiation; 3.1.1.1 Direct Absorption; 3.1.1.2 Indirect Absorption; 3.1.1.3 Hindered Absorption by Internal Scattering; 3.1.2 Transfer of Laser Energy into Process Heat; 3.1.3 Dissipation of Process Heat 327 $a3.1.4 Process Simulation by Complex Computation3.2 Theory of Fusion Process; 3.2.1 Interdiffusion Process (Reptation Model); 3.2.2 Interchange of Macromolecules by Squeeze Flow Process; 3.2.3 Mixing of Crystalline Phases; 3.3 Material Compatibility; References; 4 Process of Laser Plastic Welding; 4.1 Basic Process Principles; 4.1.1 Butt-Joint Welding; 4.1.2 Through-Transmission Welding; 4.2 Process Types; 4.2.1 Contour Welding; 4.2.2 Quasisimultaneous Welding; 4.2.3 Simultaneous Welding; 4.2.4 Special Processes; 4.2.4.1 Mask Laser Welding; 4.2.4.2 TWIST Laser Welding 327 $a4.2.4.3 Globo Laser Welding 330 $aThis is the first detailed description in English of radiation and polymeric material interaction and the influences of thermal and optical material properties. As such, it provides comprehensive information on material and process characteristics as well as applications regarding plastic laser welding. The first part of this practical book introduces the structure and physical properties of plastics, before discussing the interaction of material and radiation in the NIR and IR spectral range. This is followed by an overview of the physical foundations of laser radiation and laser sources 606 $aLaser welding 606 $aPlastics$xWelding 615 0$aLaser welding. 615 0$aPlastics$xWelding. 676 $a668.41 700 $aKlein$b Rolf$0916505 801 0$bMiAaPQ 801 1$bMiAaPQ 801 2$bMiAaPQ 906 $aBOOK 912 $a9910830318303321 996 $aLaser welding of plastics$93951821 997 $aUNINA