航空發(fā)動機葉片熱障涂層技術aircraft_enginer_tbc_benchmark(完整版)
【正文】 tage Drawback Application SHS/ Combustion Synthesis ?No heat source ?High efficiency ?Low cost ?Inclusion ?Thickness control ?Powder prep. ?Sintering ?Welding Micro Spark Deposition ?Metallurgical bonding ?Various coating materials ?Electrode making ?Micro crack ?Wear resistance coating ?Cold welding Solgel ?Low Temp. ?Dopant ?Low cost ?Long cycle ?Percursor ?Crack/Inclusion ?Nano powder ?Tool coating ?Sensor film Sputtering Deposition ?Dense ?Low Temp. ?Low rate ?High Equip. cost ?Ion implantation ?Film PLD ?High rate ?High power density ?Flexible control ?Complication ?More Para. ?Plume ?Biomedical ?Solar cells ?Superconductor 13 / Confidential/ 5/30/2022 SHS/Combustion synthesis Advantages ?Energy Efficient ?Low cost ?Solid adhesion Drawbacks ?Inclusion ?Process control Applications ?Powder prep. ?Ceramics Sintering Target Materials ?Ni+Al=(RT) ?Cr2O3+2Al=Al2O3+(RT) ?3NiO+2Al=Al2O3+(RT) ?Zr+O2=(RT) ?2Y+O2=(RT) 14 / Confidential/ 5/30/2022 Micro Spark Deposition Advantages ?Metallurgical bonding ?Various coating materials Drawbacks ?Electrode making ?Micro crack Applications ?Wear resistance coating ?Cold welding To deposit consumable electrodes of alloys/intermetallic pounds on the work piece by means of micro electric sparks at frequencies of 101000 per second for 106105 seconds per spark. Direct current heated the electrode up to 8,00025,000oC only at conta
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