Laser kushandiswa kwesimbi furo

Metallic foams yakakamurwa kuitayakavhurika-sero uye yakavharwa-sero foams. Mafuro emasero akavharwa ane mamembrane anopatsanura maseru evavakidzani kana mavhodhi, nepo akavhurika-sero foam ane network yemavoid akagoverwa zvisina tsarukano akabatana sezvakaratidzwa muFigure (a) na (b), zvichiteerana. Iyo categorization ine imwe nzira yakakosha zvakanyanya sezvo ichisiyanisa esimbi furo zvinoenderana nekushandisa kwavo. Yakavharwa-sero simbi mafuro ane kuomarara kwakanyanya uye anonyanya kushandiswa mukuumbwa kwekushandisa. Kune rimwe divi, akavhurika-sero foams anonyanya kushandiswa mukushanda kwekushandisa senge kupisa kunopisa nekuda kwenzvimbo yavo yakakura uye nemukati yakabatana porous chimiro.

Nokudaro, nzira dzekugadzirisa dzinonyanya kukonzeracustomizing simbi furokumashandisirwo avo nekutsanangura chimiro chavo cheanatomical kana kugovera pore. Iyo nzira dzekugadzirisa dzakakamurwa zvakanyanya kuita mvura uye yakasimba maitiro. Liquid processing ndiyo inonyanya kufarirwa mukugadzirwa kwekutengesa nekuda kwehuwandu hwekupupuma furo uye goho rakakura. Maitiro acho anogadzira pores mune mvura kana semi-yakasimba simbi neimwe yenzira mbiri huru, yakananga uye isina kunanga kupupa. Kupupa kwakananga kunogona kuitwa nekuunza gasi (mhepo, nitrogen, kana argon) kana nekuunza zvinhu zvechipiri zvakaita seTiH2, ZrH2, MgH2, CaCO3, nezvimwewo zvakananga musimbi yakanyungudutswa matrix. Muzviitiko zvese izvi, mabhuru anoumbwa pamusoro pekunyunguduka uye anobatwa nekutonhodzwa kugadzira voids.

Kana iyo nzira yekupupa isina kunanga ikashandiswa, simbi yakanyungudutswa haina kupupa zvakananga; pachinzvimbo, mamwe maprecursors akadai semafuro epolymer kana inorganic particles uye low-density hollow spheres anoshandiswa kukanda simbi yakanyungudutswa kuita furo. Liquid processing, uku ichibvumira kugadzirwa kwakawanda kwefuro dzesimbimune pepa fomu, inoshaya kugadzikana uye controllability. Nekuda kweizvozvo, pedyo net maumbirwo akaoma kugadzira. Kusiyana kwezvinhu zvinogona kushandiswa kugadzira furo nenzira iyi zvakare kushoma.

Solid-state foaming inogona kutsanangurwa senzira yekugadzira mafuro esimbi anochengeta tembiricha yekugadzira mukati mekunyunguduka kwekushisa kwechigadziko. Mafuro esimbi anogadzirwa kana nekuunza iyo inofuridza yakananga musanganiswa yakasimba simbi (mukati porosity) kana nekubatanidza hupfu hwesimbi kutenderedza pre-yakagadziriswa temporary template ine voids (extrinsic porosity). Kunyangwe maitiro akasimba-enyika achidzorwa zvakavimbika, anodhura. Maindasitiri ekugadzira aripo akakosha kwazvo pakusarudza zvigadzirwa zvekugadzira.

Metal furorudzi rutsva rweporous lightweight material ine ma pores kana voids mukati mesimbi yakasimba. Iyo pores inowanzogadzirwa mukati meiyo base zvinhu nenzira isingadzoreki, ichitevera nzira dzakasiyana dzekuita kuti dzigadzire yakanyanya randomized porous metallic chimiro. Iyo vhoriyamu chikamu cheanokonzeresa pores yakakwira zvakanyanya kana ichienzaniswa neyakagadzika zvinhu, izvo zvinoita kuti zvinhu zvireruke. Pamusoro pehuremu hwayo huremu, zvinhu zvinopa huwandu hwezvimwe zvakatanhamara zvimiro: yakakwira simba-kusvika-huremu reshiyo uye yakanakisa vibration inonyorovesa uye ruzha kugona. Kuti ubatanidze furo resimbi mune chero indasitiri, inofanirwa kuve yakanyatsobatanidzwa neyakatendeseka yekugadzira maitiro. Masimbi ane furo anoonekwa nekuomarara kwepamusoro uye kusimba kwakaderera uye anowanzo tyoka pasi pemutoro. Naizvozvo, akajairwa ekugadzira maitiro haakodzeri kugadzirisa iyo yakajairika chimiro chesimbi foam yekugadzira. Nekuda kweizvozvo, kupararira kwekugamuchirwa kwesimbi furo kunokanganiswa. Iyo laser processing nzira inzira inoshandisa chaiyo kupisa sosi, laser, kugadzirisa zvinhu pachinzvimbo chemuchina mutoro.