1. IntroductionIn recentyears,mater

1. Introduction
In recentyears,materialsabsorbingelectromagneticwave
(EMW) haveattractedworldwideattentionasaresultofthe
developmentofradar-absorbingtechnology [1]. Siliconcar-
bide (SiC)ceramicisagoodselectiontofabricateEMW
absorptionmaterialsbecauseofitswidebandgapandpractical
applicationsinsevereenvironments.However,ithasbeen
demonstratedthatthelowelectricalconductivityofpureSiC
results inlowdielectricloss [2], suchasSiCpowders [3], SiC
foams [4], andSiCmatrixcomposites [5]. Inourprevious
work [6], porousSi3N4–SiC compositeceramicswith11vol%
SiC wasfabricated,whichachievedaminimumreflectionloss
of
6.7 dBat12.2GHz.Nonetheless,thedielectricproperties
of CVISiCalsoneedtobeimproved.
Changing theconductivityofSiCbydopingisaneffective
way toimproveitsdielectricproperties [7]. Itwasreportedthat

ผลลัพธ์ (ไทย) 1:

1. บทนำใน recentyears, materialsabsorbingelectromagneticwaveHaveattractedworldwideattentionasaresultofthe (EMW)developmentofradar-absorbingtechnology [1] Siliconcar-bide ceramicisagoodselectiontofabricateEMW (SiC)absorptionmaterialsbecauseofitswidebandgapandpracticalapplicationsinsevereenvironmentsอย่างไรก็ตาม ithasbeendemonstratedthatthelowelectricalconductivityofpureSiCผล inlowdielectricloss [2], suchasSiCpowders [3], SiCโฟม [4], andSiCmatrixcomposites [5] Inourpreviousงาน [6], porousSi3N4 – SiC compositeceramicswith11vol %ซิลิก้อน wasfabricated, whichachievedaminimumreflectionlossของ 6.7 dBat12.2GHz.Nonetheless, thedielectricpropertiesของ CVISiCalsoneedtobeimprovedเปลี่ยน theconductivityofSiCbydopingisaneffectiveวิธี toimproveitsdielectricproperties [7] Itwasreportedthat

ผลลัพธ์ (ไทย) 2:

1. บทนำ
ใน recentyears, materialsabsorbingelectromagneticwave
(EMW) haveattractedworldwideattentionasaresultofthe
developmentofradar-absorbingtechnology [1] Siliconcar-
Bide inlowdielectricloss [2], suchasSiCpowders [3], SiC โฟม [4] andSiCmatrixcomposites [5] Inourprevious ทำงาน [6] porousSi3N4-SiC compositeceramicswith11vol% SiC wasfabricated, whichachievedaminimumreflectionloss ของ? 6.7 dBat12.2GHz.Nonetheless, thedielectricproperties ของ CVISiCalsoneedtobeimproved. เปลี่ยน theconductivityofSiCbydopingisaneffective toimproveitsdielectricproperties วิธี [7] Itwasreportedthat

ผลลัพธ์ (ไทย) 3:

1. Introduction
In recentyears,materialsabsorbingelectromagneticwave
(EMW) haveattractedworldwideattentionasaresultofthe
developmentofradar-absorbingtechnology [1]. Siliconcar-
bide (SiC)ceramicisagoodselectiontofabricateEMW
absorptionmaterialsbecauseofitswidebandgapandpractical
applicationsinsevereenvironments.However,ithasbeen
demonstratedthatthelowelectricalconductivityofpureSiC
ผล inlowdielectricloss [ 2 ] , [ 3 ] suchassicpowders เพียง
โฟม [ 4 ] , andsicmatrixcomposites [ 5 ]
งาน inourprevious [ 6 ] , poroussi3n4 – SIC compositeceramicswith11vol %

ของ SIC wasfabricated whichachievedaminimumreflectionloss ,
6.7 dbat12.2ghz อย่างไรก็ตาม thedielectricproperties


เปลี่ยน theconductivityofsicbydopingisaneffective ของ cvisicalsoneedtobeimproved .วิธี toimproveitsdielectricproperties [ 7 ] itwasreportedthat