DP : Dual Phase(20% Martensite), RA : Retained Austenite CP : Complex Phase(Ferrite,Bainite,Martensite) PM : Ultrafine Grain + Precipitates, MS : Martensite AHSS ÀÎÀå°µµ F+P F+B DP TRIP Super formable IF-HSS Pure IF-steel Texture Controlling Optimizing Mn, P High strength Tensile Strength(MPa) r-value 1.5 2.0 3.0 2.5 SEDDQ DDQ CQ,DQ 290 390 340 HEDDQ 390E 340ES 340E 390ES EDDQ Weight Reduction Formability ÃÊ°í¼ºÇü¼º °ÆÇ Blue Ocean TWIP° °µµ´ëºñ ¿¬¼ºÀÌ ¸Å¿ì ³ô°í(±×¸²1), µå·ÎÀ×¼º ¾çÈ£(LDR 2.02, DDQ¼öÁØ) ...
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