Moralo oa sebopeho sa lejoe le silang

E 'ngoe ea litšitiso tse kholo tsa majoe a ho sila a hlahisoang lapeng hajoale ke tšekamelo ea ho chesa litšepe [1]. Nakong ea ts'ebetso ea ho sila ka terene, phello ea ho sila ea li-abrasives (ho thella, ho lema, ho itšeha) le khohlano pakeng tsa setlamo le seporo sa terene ke mehloli e meholo ea mocheso o sila [3]. Tlas'a phello e kopanyang ea mocheso (mocheso o silang) le matla (matla a mochine), pearlite ka thepa ea terene e fetoha phetoho ea austenite 'me ka mor'a moo e etsa martensite le ferrite nakong ea ho pholile, e leng se hlahisang boima bo phahameng le sebopeho sa lera le brittle. Mapetso a sa fellang a tla ata moeling o pakeng tsa lera le lesoeu le pearlite, e leng se bakang ho hlōleha pele ho nako ea terene [1], joalokaha ho bontšitsoe setšoantšong sa 1 (a). Nakong ea ts'ebetso ea ho bentša, bokaholimo ba seporo sa tšepe bo feta likhato tse fapaneng tsa oxidation, e leng se hlahisang mebala e fapaneng ea seporo se betliloeng. Bosehla, boputsoa le bopherese hangata bo bitsoa "ho chesa". Lin et al. [9] e behile thermocouple ea maiketsetso ka har'a terene ea tšepe ho lekola mocheso oa sebopeho sa polishing ka nako ea nnete tlasa maemo a fapaneng a polishing. Ba ile ba bapisa mocheso o benyang le tekanyo ea ho chesa holim'a seporo sa tšepe 'me ba theha mohlala oa kamano pakeng tsa tekanyo ea ho chesa (ho fetoha ha mebala) le mocheso oa ho bentša, joalokaha ho bontšitsoe setšoantšong sa 1 (b). Motheong ona, Zhou et al. [3] thehile mohlala oa kamano pakeng tsa mocheso le botenya le tekanyo ea ho thunya ea lera le lesoeu nakong ea ho bentša seporo, ho fana ka mokhoa o mocha oa ho ntlafatsa mekhoa ea ho bentša seporo, joalokaha ho bontšitsoe ho Figure 1 (c). Liphetho tsa lipatlisiso tse kaholimo li bonts'a hore ho ntlafatsa maemo a ho sila le ho fokotsa mocheso oa ho sila ke mekhoa ea bohlokoa ea ho ntlafatsa ho chesoa ha seporo.

Setšoantšo.1 Ho chesoa ha seporo se susumetsoang ke ho sila le mokhabiso o mosoeu (WEL)

Litsebi tse ngata li hlahloba mokhoa oa ho sila ha seporo ho chesa ho tloha ka pono ea moralo oa majoe a sila. Liphetho tsa lipatlisiso tsa Zhang et al. [2] e bonts'a hore lejoe le silang la corundum le na le boits'oaro bo botle ka ho fetesisa le phello ea bohlokoa ka ho fetisisa ea ho sila, e bakang mocheso o phahameng ka ho fetisisa oa ho sila le botenya bo boholo bo bosoeu. Yuan et al. 4 Wang et al. [5] o ile a etsa lipatlisiso ka tšusumetso ea ho thatafala ha lejoe (N, R, P, T) holim'a boleng ba holim'a litšepe tsa tšepe, 'me liphello li bontšitse hore botenya ba lera le lesoeu bo eketsehile ka ho eketseha ha boima ba majoe a sila. Ka hona, taolo e utloahalang ea sebopeho sa majoe a sila (li-pores, sebopeho sa abrasive), ho thatafala, joalo-joalo ho na le phello e ntle ho ntlafatsa ho chesa ha literene.

Liphetho tsa lipatlisiso tse ka holimo li bonts'a hore litekanyo tsa ho sila le ts'ebetso ea majoe a sila ke lintlha tse peli tse ka sehloohong tse amang ho chesoa ha seporo. Bakeng sa likoloi tse ntseng li le teng tse pentšang tseleng, ho thata ho etsa liphetoho tse kholo ho li-parameter tsa ts'ebetso mohahong o teng oa koloi e le ho etsa bonnete ba ho sebetsa hantle. Ka hona, moralo le taolo ea ts'ebetso ea sebopeho sa majoe a sila ke e 'ngoe ea litsela tse sebetsang tsa ho ntlafatsa ho chesoa ha seporo. Wu et al. [7, 8] e kentsoeng liboloko tse entsoeng ka daemane e entsoeng ka brazed ka tlhophiso e itseng lejoeng le silang, joalo ka ha ho bonts'itsoe ho Setšoantšo sa 2 (a). Liphetho tsa ho bentša li bontša hore lejoe la ho sila le entsoeng ka motsoako le ka ntlafatsa katleho ea ho belisoa ha seporo, la fokotsa bokhachane ba holim'a seporo, le ho ntlafatsa ho chesoa ha seporo. Zhao Jinbo et al. [9] tlamahane CaF2 le polyetheretherketone ho etsa li-blocks tse kopanyang tse itlotsang, 'me li lokiselitse majoe a sila a itlotsang ka ho a beha ka har'a lejoe le salang le embryo, joalokaha ho bontšitsoe setšoantšong sa 2 (b). Liphetho tsa ho sila li bontša hore boloko ba lenonyello le itlholisang bo ka tsoela pele ho tsoa lipakeng tsa lejoe le silang le seporo ha lejoe le silang le ntse le roala, ho fokotsa mocheso o silang le ho ntlafatsa ho chesoa ha seporo. Ho kenya li-blocks tse entsoeng ka brazed prefabricated blocks, self-lubricating joint blocks, joalo-joalo ka har'a matrix a majoe a sila ho etsa hore ho be le sebopeho sa majoe a ho sila a sa lekaneng 'me ho hlahisa sebopeho sa matla a tlaase (ho sila matrix / implant block interface), kahoo ho netefatsa thepa ea mochine (matla a ho potoloha, ho leka-lekana ho matla, joalo-joalo) ea mohaho o kopantsoeng oa lejoe la ho sila ke phephetso ea bohlokoa. Wu et al. [10] e entse lebili la brazed CBN abrasive grinding le petso joalo ka ha ho bonts'itsoe ho Setšoantšo sa 2 (c), se ntlafalitseng ho chesoa ha lisebelisoa tsa terene. Leha ho le joalo, lera la brazing le sebelisoang lejoeng la ho sila le na le ho se mamelle ho apara hantle nakong ea ts'ebetso ea ho sila, 'me bophelo ba tšebeletso ea lejoe le silang bo khutšoanyane haholo. Ka hona, moralo o utloahalang / taolo ea mohaho oa majoe a sila o na le phello e ntle ho fokotsa mocheso oa ho sila le ho ntlafatsa ho chesa ha literene, empa ke ntho e hlokahalang e lokelang ho nahanoa ka botlalo ho netefatsa hore lejoe la ho sila le na le thepa e ntle ea 'mele le lik'hemik'hale le ho sebetsa hantle.

(a) Lejoe le sila la taemane [7,8]

(b) Lejoe le silang la "Self-lubricating" [9](c) Seha lejoe la ho sila le entsoeng ka mokhoa o hlophisitsoeng [10]

Setšoantšo sa 2. Moralo oa sebopeho sa majoe a sila

Referense

[1]A Al-Juboori, DAVID Wexler, LI Huijun, et al. Sebopeho sa Squat le Ho Etsahala ha Mekhahlelo e Mebeli e Ikhethang ea Lera le Letšo e Tšoeu holim'a Bokaholimo ba Tšepe ea Terene[J]. International Journal of Fatigue, 2017, 104: 52-60.

[2]GUO Shuai, ZHAO Xiangji, HE Chenggang, et al. Liphello tsa Matšoao a ho Sila ka Mokhathala Tšenyo ea Liporo tlas'a Maemo a Metsi[J]. China Mechanical Engineering, 2019, 30(08): 889-895.

[3]36[3] ZHOU Kun, DING Haohao, Steenbergen Michaël, et al. Tšimo ea Mocheso le Karabelo ea Lintho e le Mosebetsi oa Li-Parameters tsa ho Sila Seporo[J]. International Journal of Heat and Mass Transfer, 2021, 175: 12366.

[4]YUAN Yongjie, ZHANG Wulin, ZHANG Pengfei, et al. Mabili a Sila a Porous Ho Lebisa ho Fokotsa Mokhathala oa Pele le Ho Eketsa Matla a ho Tlosa Lintho Bakeng sa ho Sila Seporo[J]. Tribology International, 2021, 154: 106692

[5]WANG Ruixiang, ZHOU Kun, YANG Jinyu, et al. Liphello tsa Sesebelisuoa sa Abrasive le Ho Thata ha Lebili la ho Sila ka Boitšoaro ba ho Sila Seporo[J]. Wear, 2020, 454-455: 203332.

[6]57[6] ZHANG Wulin, ZHANG Pengfei, ZHANG Jun, et al. Ho Lekola Sephetho sa Abrasive Grit Size ho Mekhoa ea ho Sila Seporo[J]. Journal of Manufacturing Processes, 2020, 53: 388-395.

[7]XIAO Bing, XIAO Haozhong, XIAO Bo, et al. Lebili la ho sila bakeng sa ho Hlōla Seporo se Phahameng ka ho Fetisisa le Mokhoa oa eona oa Tlhahiso: China, CN 108453638 A[P]. 2018-08-28.

[8]WU Hengheng, XIAO Bing, XIAO Haozhong, et al. Apara Litšobotsi tsa Maqephe a Taemane a Brazed ka Nako e Fapaneng ea ho Sila[J]. Wear, 2019, 432-433: 202942.

[9]WU Hengheng, XIAO Bing, XIAO Haozhong, et al. Thuto ka Litšobotsi tsa Wear tsa Leqephe la Taemane ea Brazed bakeng sa Lebili la ho Sila le Kopantsoeng la Rail tlas'a Khatello e Fapaneng[J]. Wear, 2019, 424-425: 183-192.

[10]LIN Bin, ZHOU Kun, GUO Jun, et al. Tšusumetso ea Li-Parameters tsa ho Sila Mocheso oa Bokaholimo le Litloaelo tsa ho Chesoa ha Seporo sa ho Sila[J]. Tribology International, 2018, 122: 151-162.