He thuziak hian carbon fiber flat composite product-a PTFE high-temperature fabric hman dan a huam a ni. Compression molding: mold leh prepregs inkarah dahin epoxy resin adhesion a veng a, demolding awlsam tak a siam thei a; panel te tak te tam tak inkarah sandwiched a ni a, chu chu in inzawm lo turin a ni. Vacuum bag molding: prepreg leh breather cloth inkara release film hman nawn theih, gas/resin kal theihna tur a nih rualin dam hnua awlsam taka peeling theihna tur textured side hian fine surface texture a transfer a, bonding roughness a ti tha a, sanding a ti bo. A siam chhuah chhunzawm zel: seamless non-stick conveyor belt hian prepregs chu heating/pressing zone kaltlangin a phur a; cushion layer hian pressure chu inang tlangin a sem darh a, localized indentations a tihtlem phah a ni.

He article hian PTFE surface modification atana flame treatment hman theih dan tur a zirchiang a, corona leh plasma treatment nena a nghawng dan a khaikhin bawk. Feasibility: flame hian PTFE hi a tidanglam thei a, mahse industry-ah erawh hman a ni tlem hle — safety risks (PTFE decompose releasing toxic HF and perfluoroisobutylene); performance limited (surface energy 30-35 mN/m chauh, boundary layer chak lo tak a siam). Hnathawh dan: meialh — transient high-temperature oxidation (>1000°C), etching tlem, oxygen group tlemte; corona — high-voltage discharge hian ozone/active oxygen a siam a, mild oxidation, energy density hniam chuan CF bonds a titawp thei lo; plasma — chakna sang tak nei particle/electron/free radical te hian CF bonds te chu direct in an cleave a, polar group (hydroxyl, carboxyl, amino) te chu an graft thin.

He thuziak hian missile engine atana thermal insulation cladding-a PTFE hnathawh dan a huam a ni. Mechanism pali: Endothermic decomposition — PTFE hian ~400°C ah tetrafluoroethylene (highly endothermic, ~3,000°C combustion gas exposure) ah a depolymerize a, heat nasa tak a absorb a, wall surface atanga thermal energy a la chhuak thin. Transpiration cooling leh gas film insulation — decomposition gas (tetrafluoroethylene) te chu micro-pores hmangin pawn lamah an lut a, lei chung lumna chu a paih chhuak a flowing gas film hian wall atanga high-temperature combustion gas a isolate a, near-wall heat flux chu >50% in a tihtlem a; gas film hian boundary layer velocity/temperature a siam danglam a, particle erosion a tiziaawm a ni.

He thuziak hian PTFE structure leh property-a gamma-ray irradiation-in nghawng a neih dan a tarlang a ni. Chemical structure inthlak danglamna: gamma rays hian CC main chain leh CF side chain (G-value 3.0-3.5) a tichhia a, chu chuan chain scission nasa tak a thlen a, molecular weight tlahniam nasa tak a thlen a oxygen-ah chuan free radicals chuan peroxy radicals a siam a, acyl fluoride leh carboxylic acid end group (HF-ah hydrolyzing) a rawn luhtir a ni. Condensed structure a inthlak: crystallinity chu a tir lamah a sang (low dose, short chains rearrange) a tlahniam (dose sang zawk, defects hian crystals a tibuai); lamellar crystals te chu long-range order bo tawh angin crystallitte te zawkah an inthen darh thin. Property chhiatna: break-a elongation chu boruakah 0.1 kGy aṭangin a tlahniam a, ~1kGy-ah >90% a hloh — material chu a rigid leh brittle a; melting point chu 327°C atanga 310°C hnuai lamah a tlahniam a; polar group-te hian dielectric constant/loss an tisang deuh a; surface chu white atanga grey/black ah a inthlak a, gloss a hloh bawk.

He thuziak hian Teflon high-temperature cloth-a PTFE coating crystallinity control dan tur a huam a ni. Cooling rate regulation hi a direct ber leh a hlawk ber a ni: Cold air curtain, cooling rollers emaw water tank hmanga rang taka cooling (quenching) — molecular chain te chu ordered arrangement hmain a freeze a, crystal famkim lo te te a siam a coating hi a nem a, a tough a, non-stick performance a tha ber a, hardness/wear resistance a tihhniam deuh bawk. 10-50°C/h-a heat preservation section hmanga slow cooling (annealing) emaw furnace cooling emaw — molecular chain-te chu spherulites lian tak takah an inrem kim vek a coating hian hardness sang tak a nei a, wear resistance a nei tha hle a, dimension a stable a, flexibility a ti tlem a, brittleness a ti sang bawk.

He thuziak hian hot-air circulation sintering furnace-a Teflon high-temperature cloth hman dan a huam a ni. Feasibility: furnace temperature ≤260°C a nih chuan mesh belt emaw tray-ah non-stick cushion atan hman theih a ni (low-temperature drying, binder removal, slurry curing) — demolding leh picking efficiency a ti tha hle. Medium/high temperature (300-950°C)-ah khap tlat — PTFE hian a chhe vek a, toxic HF leh perfluoroisobutylene a chhuah tir a, hmanrua a ti chhe a, poisoning thihna thlen thei a ni. Safety principle: furnace temperature a chiang lo emaw, 260°C hnuai lam a nih loh chuan hmang suh. Core property: service chhunzawm zel -70°C atanga 260°C, hun rei lote chhunga 300°C; non-stick leh chemical inertness nasa lutuk; electric insulation tha tak a ni a; friction hniam (~0.04) a awm a; fiberglass base hian tensile strength sang tak a pe a ni.

He article hian silicone adhesive layer-a crosslinked structure uniformity chungchanga infrared radiation heating leh hot-air circulation heating curing method hrang hrangte a khaikhin a ni. Heat transfer mechanisms: hot-air hian convection-conduction-ah a innghat a, temperature sang zawi zawia sang, chhung lam/pawn lam temperature danglamna tlemte; IR hian penetration depth a nei tlem hle a, surface absorption chak tak (micrometer sawm atanga za tam tak) a nei a, hei hian surface-to-interior gradient steep a siam a ni. Crosslink uniformity-a nghawng a neih dan: hot-air hian a chhung leh pawnah synchronous curing a siam thei a, crosslink density inang tlang a nei a; IR hian surface layer chu rang takin dense 'skin film' a siam a, chu chuan heat conduction leh internal chain motion a tikhawlo a, crosslink density chu surface atanga interior thlengin a tlahniam a ni.

He article hian Teflon high-temperature fabric impregnation production line atana typical line speed range a huam a ni. Speed ​​ranges: thil tenawm pangngai (0.08-0.30mm) 0.5-3 m/min-ah, 1-3 m/min-ah stable; thil thick/multi-impregnated (≥0.4mm) chu 0.3-1 m/min-ah a ni a; high-efficiency line oven sei tak nei chuan 3-6 m/min a thleng thei a, mahse hmanraw mamawh tak a ni. Process constraints: drying leh sintering hian residence time a mamawh (PTFE hian 380-400°C-ah min 1-3 a mamawh a; a tawk lo chuan adhesion/cracking a ti tha lo); speed hi fixed oven length hnuaia drying/sintering time tlem ber atanga teh a ni. Material constraints: solids/viscosity sang tak dispersions te chu zawi zawiin an lut a; puan thick/dense te hian liquid an absorb a, heat chu zawi zawiin an transfer a; puan zau tak, edge-center rawng inang lo, speed tihhniam ngai. Thil hmanrua leh quality inthlauhna: multi-zone oven sei tak chuan speed sang zawk a phalsak.

He article hian suspension polymerization hmanga siam PTFE emulsion vs dispersion polymerization inkara danglamna a tarlang a ni. Thu chiang zawk: suspension polymerization hian direct-in PTFE emulsion a siam thei lo; PTFE emulsion dik tak chu dispersion polymerization atanga lo chhuak chauh a ni. 'Suspension-method emulsion' hi a takah chuan ground suspension-polymerized resin micropowder te tui hmanga suspension a ni. Dispersion polymerization (primary emulsion): spherical particles (0.1-0.3μm, narrow distribution), perfluorinated surfactants hmanga stabilized, molecular weight sang tak (>94% crystallinity), fibrillation chak tak, 380°C sintering hmanga film khauh chhunzawm zel siam a ngai a ni.

He thuziak hian solid-state battery industry lo piang chhuak mek zingah Teflon high-temperature fabric hman theihna tur a huam a ni. Hmun pali: Dry electrode/electrolyte membrane siam — hot roll pressing (150-250°C) atana temperature sang tak anti-stick conveyor belt hmanga mahni inrintawkna film te chu a peeling tha thei ang bera siam hot roller khuhna layer chu semi-permanent anti-stick layer angin; film surface smooth a enkawl a, defect a ti tlem a, yield a ti tha bawk. Release liners leh cushioning pads te chu hot-pressing densification atan — sulfide/polymer battery te hian hot isostatic/flat pressing (100-300°C, MPa sawm) a mamawh a Battery stack leh mould inkar a PTFE fabric dah hian adhesion a veng a, micro-elasticity hmangin pressure distribution inang tlang a siam thei a, heating plate te a humhim bawk.