Ukuthelekiswa kwemiphumo yeendlela ezahlukeneyo zokuguqula kwiimpawu zoomatshini zeefayibha zebasalt
1. Isiphumo sokuguqulwa kwearhente yokudibanisa i-silane kwiipropati zoomatshini
Ii-Silane coupling agents (umz. KH-550 kunye neKH-570) zenza i-reactive coupling kumphezulu wee-basalt fibers ngokusebenzisa Ikhemikhali ukubopha, okuphucula ukubopha phakathi kweefayibha kunye ne-substrate, kwaye kwangaxeshanye, kunefuthe elithile kwiimpawu zoomatshini zeefayibha.
I-KH-550 Iguquliwe:
Iingenelo: yenza ikhonkco leekhemikhali kumphezulu wefayibha, kwaye iphucule ukunamathelana phakathi kwefayibha kunye ne-substrate, ngaphandle kokonakalisa kakhulu iimpawu zoomatshini zefayibha ngokwayo.
Impembelelo: Izifundo zibonisa ukuba emva kokuguqulwa kwe-KH-550, amandla okuxinana kunye nemodulus yokuqina kweefayibha ze-basalt azitshintshi, kodwa ngenxa yokuphuculwa kweempawu zokubopha phakathi kwe-interfacial, iimpawu zoomatshini zizonke zezinto ezidityanisiweyo ziphuculwe kakhulu.
Uhlengahlengiso lwe-KH-570:
Iingenelo: I-KH-570 irhabaxa umphezulu weefayibha ze-basalt kwaye iphucula ukufakwa kwazo ngoomatshini kunye ne-matrix.
Impembelelo: Nangona ukurhawuzelela umphezulu kunokunciphisa kancinci amandla okuxinana kweefayibha, amandla apheleleyo, ukuqina, kunye nokuqina kwe-composite kuphuculwe kakhulu ngenxa yeempawu zokubopha eziphuculweyo phakathi kwe-interfacial.
2. Isiphumo sokuguqulwa kwe-surfactant kwiipropati zoomatshini
Ii-surfactants ze-cationic (umz. i-CTAC) zenza uqweqwe kumphezulu wefayibha ngokugqithisela ngokwasemzimbeni, kwaye injongo yazo ephambili kukuphucula ukusasazeka kwefayibha emanzini kunye nokusasazeka kwayo.
Inzuzo:Utshintsho lwe-surfactant alunawo phantse umphumo wokukhukuliseka kweekhemikhali kumphezulu wefayibha, ngoko ke alunawo umphumo omncinci kwiimpawu zoomatshini zefayibha.
Impembelelo: Amandla okuxinana kunye ne-elastic modulus yefayibha azitshintshi emva kokuguqulwa kwe-CTAC. Olu tshintsho luphucula kakhulu ukusasazeka kunye nokuphilizeka kwamanzi kwefayibha, ukuze izinto ze-matrix zisonge ngokulinganayo iifayibha, ngaloo ndlela ziphucula ngokungathanga ngqo iipropati zoomatshini zee-composites.
3. Isiphumo sokuguqulwa kwengubo ye-nano silica kwiipropati zoomatshini
I-nano-silica coating iphucula uburhabaxa bomphezulu kunye nokukwazi ukubopha phakathi kweefayibha kunye ne-matrix ngokwenza umaleko ofanayo wee-nanoparticles kumphezulu weefayibha ze-basalt.
Inzuzo: Ii-nano-silica particles zisebenza “njengebhulorho” kumphezulu wefayibha, ziqinisa ukubopha phakathi kwefayibha kunye ne-matrix.
Impembelelo:Ukugqunywa kwee-nanoparticles ze-silica kunokubangela umonakalo omncinci kumphezulu wefayibha, kodwa impembelelo yayo kumandla okutsalwa kweefayibha incinci (idla ngokuba ngaphantsi kwe-5%). Emva kokuguqulwa, iipropati zoomatshini zizonke (umz. amandla okutsalwa, amandla okugoba) zezinto ezidityanisiweyo zinokuphucuka kakhulu, ukuya kuthi ga kwi-15%-30%.
4. Isiphumo sokuguqulwa kwesigaba solwelo lwesinyithi esiphilayo kwiipropati zoomatshini
Indlela yokufaka ulwelo lwesinyithi esiphilayo isetyenziswa kakhulu ukuphucula amandla okunamathela kwi-bio-adhesion yeefayibha ze-basalt, kwaye ukuphuculwa kwayo kweempawu zoomatshini akungqalanga kangako.
Inzuzo: Ukwakheka kwengubo kunempembelelo encinci kwiimpawu zoomatshini ze-fiber, kwaye ikakhulu kuphucula ukusebenza kwe-fiber.
Impembelelo:Umaleko wokugquma unokunyusa kancinci ukuqina kwefayibha, kodwa impembelelo kumandla okutsalwa okanye okugoba ayibalulekanga. Iimpawu zoomatshini zezinto ezihlanganisiweyo eziguquliweyo zinqongophele, kwaye zihlala zisetyenziswa kwicandelo lokukhusela okusingqongileyo.
5. Isiphumo solunye utshintsho olubonakalayo okanye lweekhemikhali kwiimpawu zoomatshini
Iindlela zomzimba (umz. unyango lobushushu):
Unyango lobushushu lunokutshintsha ulwakhiwo lomphezulu wefayibha, kodwa lunokubangela umonakalo wobushushu kwifayibha ngokwayo, nto leyo ebangela ukuncipha kwamandla okutsalwa. Unyango olufanelekileyo lobushushu lunceda ukususa umaleko wokungcola kumphezulu wefayibha, ngaloo ndlela luphucula ngokungathanga ngqo iipropati zokubopha phakathi kwefayibha kunye ne-matrix.
Ukuguqulwa kwe-chemical etching:
Ukugrumba ngamakhemikhali (umz., unyango lwe-asidi) kuyawurhawuzelisa umphezulu wefayibha kwaye kuphucula ukugrumba komatshini kwi-interface. Nangona kunjalo, ukugrumba kunokwenza buthathaka ifayibha ngokwayo, nto leyo ebangela ukulahleka kweempawu zokuxinana, ekufuneka zilinganiswe.
Itheyibhile yokuthelekisa epheleleyo
| Iindlela zoLungiso | Iimpawu zoomatshini zichaphazela ngokuthe ngqo | Ukuphuculwa kweempawu zoomatshini ngokubanzi zee-composites | Indlela Ephambili Yokusebenza |
| Iarhente yokudibanisa iSilane (KH-550) | Ayichaphazeleki kakhulu | Nyusa kakhulu | Ukubopha ngamakhemikhali ukuze kuphuculwe ukubopha phakathi kobuso |
| Iarhente yokudibanisa iSilane （KH-570） | Ukurhawuzelela komphezulu kukhokelela ekubeni buthathaka kancinci kweefayibha | Nyusa kakhulu | Ukufakelwa koomatshini okuphuculweyo |
| I-CTAC Surfactant | Ayichaphazeleki kakhulu | Ukukhuthazwa okungathanga ngqo | Ukuphuculwa kokusasazeka kunye nokuphiliswa kwamanzi |
| Ukwaleka kweNano Silicon Dioxide | Ubuthathaka obuncinci bamandla efayibha (kungekho ngaphezu kwe-5%) | Nyusa kakhulu (15%-30%) | Yonyusa uburhabaxa kwaye iphucula ukuhambelana kwe-interface |
| Uhlengahlengiso lokugcinwa kwesinyithi se-organic | Ayichaphazeleki kakhulu | Ukunyuswa okulinganiselweyo | Ukufakelwa kwe-bio okuphuculweyo |
| unyango olushushu (umz. lwesinyithi) | Ingabangela umonakalo kubushushu obangela ukulahleka kwamandla efayibha | Ukukhuthazwa okungathanga ngqo | Ukususwa komaleko wokungcola komphezulu kunye nokuphuculwa kweempawu zokubopha phakathi kobuso |
| Ukuguqulwa kwe-chemical etching | Ukurhawuzelela kuphucula ukubopha phakathi kobuso kodwa kunokwenza buthathaka imicu | Ukunyuswa okulinganiselweyo | Ukulungiswa komphezulu ukuze kufakwe ngcono izinto zoomatshini |
Isiphelo
- I-agent yokudibanisa i-silane kunye ne-nano-silica coating okwangoku zezona ndlela zokuguqula ezinefuthe elincinci kwiimpawu zoomatshini zeefayibha ze-basalt, ngelixa kwangaxeshanye ziphucula kakhulu iimpawu zoomatshini ngokubanzi zee-composites.
- Ukuguqulwa kwe-surfactant akunampembelelo ingako ngqo kwiimpawu zoomatshini zeefayibha, kwaye kufanelekile kwiimeko ezifuna ukuphucula ukusasazeka okanye ukuphilizeka kweefayibha.
- Ukugrumba ngamakhemikhali kunye nonyango lobushushu kufuneka kusetyenziswe ngononophelo, kuba nangona zinokuphucula iipropati zokubopha phakathi kobuso, zinokukhokelela ekunciphiseni iipropati zoomatshini zeefayibha.
- Ukukhethwa kwendlela yokuguqula kufuneka kusekelwe kwiimfuno zesicelo ukuze kulinganiswe ukusebenza kwefayibha ngokwayo kunye nokusebenza ngokubanzi kwezinto ezidityanisiweyo ukuphucula isiphumo.
