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߱(Welding Metallurgy) ݼ (Fusion) (Solidification) ȭ ٻ µ (Phase Transformation) ϰ, (Welding Process) (Welding variable) Ͽ ϴ й̶ ִ. ڴ ѱ۷ ü̸鼭 ֵ ڷᰡ ƽϸ鼭 ϴ л, ϴ , غϴ Ͼ ߱ ü н ʿ ̵ ϱ ߱ Ͽ. ù ° ° 忡 (Welding Process) ݼ ⺻ Ư Ͽ, ° ʹ ߱п ٷ.

1 ݼӰ 1 ũ 1.1 ö(Plasma) ũ(Electric Arc) 1.1.1. ö(Plasma) 1.1.2. ũ(Electric Arc) 1.1.3. ڿ ̿ Ӱ 1.2 ؿ 1.2.1. (Thermionic Emission) 1.2.2. 忡 (Field Emission, Cold Emission) 1.3 Ư 1.3.1. GTAW, PAW 1.3.2. SMAW, GMAW, FCAW 1.4 ؼ ûȿ 1.5 ũ 1.5.1. η(Buoyancy Force) 1.5.2. ڱ(Lorenz Force) 1.5.3. ǥ (Surface Tension) 1.5.4. ũ ܷ(Arc Shear Stress) 1.6 ݼ ȭ(Metal Evaporation) 1.6.1. ݼ ս 1.6.2. ߻ 1.7 ڼ 1.8 Ư 1.8.1. Ư 1.8.2. Ư 2 Process 2.1 2.1.1. Process 2.1.2. е Ư 2.2 Ƽƿ 2.2.1. 2.2.2. Ҳ 2.2.3. 2.3 Ǻ ũ (SMAW) 2.3.1. 2.3.2. Ǻ 2.3.3. 2.3.4. Ư 2.3.5. 2.3.6. 2.4 ֽ ũ (GTAW) 2.4.1. 2.4.2. ؼ(Polarity) 2.4.3. ֽ 2.4.4. ȣ 2.4.5. 2.5 ö ũ (PAW) 2.5.1. 2.5.2. ũ ߻ 2.5.3. ŰȦ (Keyhole Welding Technique) 2.5.4. 2.6 Ż ũ (GMAW) 2.6.1. 2.6.2. ȣ 2.6.3. ݼ 2.6.4. 2.7 ÷ ھ ũ (FCAW) 2.7.1. 2.7.2. 2.7.3. FCAW ̾(Wire) 2.7.4. ȣ Ư 2.7.5. Flux Ư 2.8 ȣ (SAW) 2.8.1. 2.8.2. 2.8.3. SAW 2.8.4. ̾ Ư 2.8.5. ÷(Flux) 2.8.6. ÷(Flux) 2.9 ϷƮ (ESW) 2.9.1. 2.9.2. Ҹ ̵ 2.9.3. Ҹ ̵ 2.9.4. 2.10 ں (EBW) 2.10.1. 2.10.2. 3 ݼ 3.1 ݼ 3.2 ӵ 3.2.1. ٻ 3.2.2. ұ ٻ 3.2.3. ӵ 3.3 ݼ ݼ Ư 3.3.1. BCC 3.3.2. FCC 3.3.3. HCP 3.3.4. BCC FCC 3.4 µ ؿ Ģ(Lever Rule) 3.5 ó 3.5.1. ҵ() () 3.5.2. ȭ ó(Solution Annealing) 3.5.3. Ī(, , Quenching) 3.5.4. ۸(, ҷ, Tempering) 4 ο ġ , , 4.1 ο ȭй 4.2 4.3 4.4 5 ܷ , Ƿ 2 Ư 1 źҰ 1.1 Fe-Fe3C µ 1.2 ׿ (TTT Diagram) ð (CCT Diagram) 1.2.1. ޶Ʈ(Pearlite) 1.2.2. ̳Ʈ(Bainite) 1.3 ٻƮ 1.3.1. ȭ 浵 1.4 ձ 2 ձݰ(Low Alloy Steel) 2.1 2.1.1. Ư 2.1.2. 2.2 ¿ 2.2.1. ˷̴ų(Al-Killed) 2.2.2. 2.5%, 3.5% ̰ 2.2.3. 9% ̰ 3 θ 136 3.1 ׳Ʈ θ(Austenitic Stainless Steel) 3.1.1. ȭ ԰ ν 3.1.2. Ʈ 3.1.3. ٻƮ 3.2 Ʈ θ(Ferritic Stainless Steel) 3.2.1. ԰ ȭ 3.3 ٻƮ θ(Martensitic Stainless Steel) 3.4 ÷ θ(Duplex Stainless Steel) 3.4.1. ÷ θ Ư 4 ձ 4.1 ձ 4.2 ձ 4.2.1. ȭ ձ 4.2.2. ȭ ձ 4.2.3. л ȭ ձ 4.3 ձ Ư 4.3.1. ձ 4.3.2. , ռ 5 ˷̴ ձ(Aluminum Based Alloy) 5.1 5.1.1. ó ձ 5.1.2. ó ձ 5.2 ˷̴ ձ Ư 5.2.1. ȭ 5.2.2. 5.2.3. â 5.2.4. ȭ 5.2.5. Ư 5.3 ˷̴ ձ 5.3.1. ˷̴ ձ 3 1 ⺻ 1.1 й 1.1.1. (Equilibrium Segregation Coefficient) 1.1.2. µ ȭ 1.2 Ȯ꿡 й 1.2.1. 1.2.2. ׻󿡼 ѵ Ȯ ̿ й 1.3 (Constitutional Supercooling) 1.3.1. 1.3.2. 1.3.3. ӵ 1.4 1.4.1. ̼ (Microsegregation) 1.4.2. Ž (Macrosegregation) 1.5 ðӵ ݼ 2 ݼ : (Grain Structure) 2.1 ٻ 2.2 ü (Epitaxial Growth) 2.3 ü (Nonepitaxial Growth) 2.4 (Competitive Growth) 2.5 ӵ ȭ 2.6 ݼ ̼ȭ 2.6.1. ٻ 2.6.2. Ȳ(S) 󵵿 ǥ ° ȭ 2.6.3. ٻ(Heterogeneous Nucleation) 2.6.4. ǥ ٻ 3 ݼ : ̼ 3.1 3.1.1. ӵ(R, Growth Rate) µ (G, Temperature Gradient) 3.1.2. ġ ȭ 3.2 ũ(Ǵ ) 3.3 3.3.1. ũ Ⱦ (1Hz Transverse Oscillation) 4 4.1 ׳Ʈ θ Ʈ ׳Ʈ 4.1.1. ǻ ̿ µ(Pseudo-binary Phase diagram) 4.1.2. ׳Ʈ θ 4.1.3. Ʈ θ 4.1.4. Schaeffler Diagram ̿ Ferrite Է 4.1.5. ð ӵ Ferrite Է ȭ 4.1.6. (Tip) ÿ ȭ 4.1.7. 簡 Ferrite 4.2 źҰ ձݰ(Low Alloy) 4.2.1. CCT(Continuous Cooling Transformation) Diagram 4.2.2. ̼ Ʈ ִ 4.2.3. Acicular Ferrite 5 ݼ ȭ ұ 5.1 ̼ (Microsegregation) 5.1.1. Ȯ 5.1.2. Tip 5.2 (Banding) 5.3 繰(Inclusion) (Gas Porosity) 5.4 α ұ 5.5 ݼ Ž (Macro Segregation) 5.5.1. (Single-Pass) 5.5.2. (Multi Pass) 6 ݼ տ 6.1 տ Ư¡, 6.1.1. ԰ տ(Intergranular Cracking) 6.1.2. տ ΰ 6.2 տ ΰ ִ 6.2.1. Ȳ(S) (P) Ҽ µ 6.2.2. ׻ 6.2.3. ʱ 6.2.4. ݼ 6.2.5. 6.3 տ 6.3.1. ݼ 6.3.2. 6.3.3. 4 κ 1 κ (PMZ) 1.1 ȭ 1.1.1. ȭ ⱸ 1.1.2. (Grain Boundary) ׻ 2 κ ο õ 2.1 ȭ տ(Liquation Cracking) 2.1.1. ȭ տ ΰ 2.1.2. ȭ տ(Liquation Cracking) ⱸ 2.2 ȭ տ 2.2.1. 2.2.2. Կ ּȭ 2.2.3. ּȭ 2.2.4. 2.3 ս 2.4 տ(Hydrogen Cracking) 5 1 ȭ : źҰ ձݰ 1.1 µ 1.2 1.2.1. A1, A3 1.2.2. Ʈ(A3 ) ޶Ʈ(A1 ) 1.2.3. ̳Ʈ(Bainite) 1.2.4. ٻƮ(Martensite) 1.2.5. (Grain Growth) 1.3 ź Է źҰ ȭ 1.3.1. źҰ(Low Carbon Steel) źҰ(Mild Carbon Steel) 1.3.2. źҰ(Mild Carbon Steel) LBW EBW 1.3.3. ź ź ְ 1.3.4. źҰ(Medium Carbon Steel) źҰ(High Carbon Steel) 1.4 ձݰ(Low Alloy Steel) 1.4.1. ձݰ(HSLA Steel) 1.4.2. QT ձݰ(QTLA Steel) 1.4.3. ó ձݰ(HTLA Steel) 1.5 1.5.1. տ(Hydrogen Cracking) 1.5.2. 翭 տ(Reheat Cracking) 1.5.3. Ƽ(Lameller Tearing) 2 ļ : θ 2.1 θ 2.2 ׳Ʈ θ 2.2.1. ׳Ʈ θ ȭ 2.2.2. Knife Line Attack 2.2.3. ºνıտ(Stress Corrosion Cracking, SCC) 2.3 Ʈ θ 2.3.1. Ʈ θ ȭ 2.3.2. ٻƮ (Grain Growth) 2.3.3. ġ μ 2.4 ٻƮ θ 2.4.1. Underbead Cracking( տ) 3 ȭ ձ 3.1 ȸ - - 3.1.1. ȸ(Recovery) 3.1.2. (Recrystalization) 3.1.3. (Growth) 3.2 3.3 Կ 4 ȭ : Ni Base ձ 4.1 Ni Base ձ ȭ 4.2 ⹰ 4.3 翭 տ(Reheat Cracking) 4.3.1. 翭 տ 4.3.2. 翭 տ 5 ȭ : Al ձ 5.1 ˷̴ ձ ȭ 5.1.1. ȭ 5.1.2. ȿ (浵) ȭ 5.2 Al-Cu-Mg(2000迭) Al-Mg-Si(6000迭) ձ 5.2.1. ΰ ȿ (T6) 5.2.2. ڿ ȿ (T4) 5.2.3. ΰ ȿ (T4) ڿ ȿ (T6) 5.3 Al-Zn-Mg(7000迭) ձ
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