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N G H I E N CLfU-TRAO D I [ D^C TINH MA SAT HOC VAT LIEU BIMETAL THEP - HOfP M KIM DONG CHIU MON LUYEN KIM BOT iTNG DUNG LAM BAC TRiTgrr D O N G C O XE T VA M A Y D O N G LITC TRIBOLOGY CHARACTERISTICS OF HARDWEARING BIMETAL STEEL -COPPER ALLOY MATERIAL TO MAKE POWDER METALLURGY IN APPLICATION OF CREATING SILVER SLIDING OF CAR AND MACHINE ENGINE TS Le Dire Bao', TS Hoang Minh Tliuan\ PGS.TS Ha Minh Hiiog^ 'NCV Vifin Pfadt triln Ky tfaugt, Cdng ngfa? Tien tiln (IDAT) ^Vien Ngfaifin curu Co T6MTAT Bdi bdo gi&i thieu ket qud nghien dm xdc dinh hp so ma sdt vd cu&ng dp mdn nhanh & quy mo phong thi nghipm cua vgt lipu bimetal thep 08Kn - hgp kim dong BCu4Sn4Zn2PbC ^ (BCu6Sn6Zn3PbC) luyen kim bQt & mgt so che dp thd: nghipm ma sdt kho vd co boi tran v&i dQ nh&t quy u&c khdc So sdnh v&i ddctinhma sdt hQc cua mpt so vat lipu hgp kim dong chfu mo luypn kim bgt tuang tu cua Lien bang Nga sdn xudt & quy mo cong nghiep cho thay, vdt lipu bimetal thir nghipm dgt yeu cdu ky thudt cdn thiet de img dung ldm bac trugt dgng caxe to vd mdy dgng lyre CO cong sudt trung binh Tir khoa: Dgc tinh ma sdt hgc - hp so ma sdt vd cu&ng dp mon; Bimetal ~ hgp kim hai l&p; NCV - Nghien cuu vien; IDAT - Vipn Phdt trien Ky thugt, Cong nghe tien tien; LKB - Luyen kim bpt ABSTRACT This article presents the research results to determine thefiction coefficient and rapid wear intensity at the lab scale ofOSKn bimetal steel-BCu4Sn4Zn2PbC^copper alloy (BCu6Sn6Zn3PbCJ materials to make powder metallurgy in some testing mode with dry fiction and lubricated with various conventional viscosity In comparison with the tribology characteristics of some copper alloys with similar corrosion resistant upon powder metallurgy made in Russian under an industria scale, bimetal materials satisfy the necessary technical requirements for the application of creating silver sliding of car and machine engine with average capacity Keywords: Tribology characteristics -friction coefficient and wear intensity; Bimetal ISSN 0866 - 70S6 TAP CHf CO KHl V I £ T NAM, Sd 10 nam www.cokbivietnam.vn 2016 NGHIEN CCrU-TRAO eOi L D ^ T VAN DE Bac tnrgl Id cdc chi tiet mdy thupc nfadm ph\i tung mau mdn, cfadng hdng, dugc thay the djnh ky vd cd pfaam vi sii dung rat rdng rai cdc d kilu trugt Vat lieu bimetal, trimetal ldm bgc truot thupc vdo cfae ldm viec quy dpih tfaeo dieu kien tdi p.v < [p.v]) Cd thfi quy udc phan logi bgc tnrgt theo nhdm ldm vi$c d tdi trpng nfad (dpng co dudi 30 ma Ivc - CV); tdi trpngfrungbinfa - tur 30 CV din 350 CV, tdi trpng ngng - hi 350 CV din 1000 CV vd sieu ngng - tren 1000 CV [1] Qua cdc tdi li$u tham khdo ve mdt sd ngfaien cuu ca bdn d Vi?t Nam [l]-^[3] vd ngodi nudc [4] vfi vat li?u bimetal thep - hpp kim chiu ddng chiu mdn \\iy^n kim bpt tdm bac trupt cho thdy, tfadnfa phdn hda hpc ciia ldp vat li?u hop kiin cfaiu mdn cd dnh hudng quyet dinh dfin tudi bin ciia bgc trupt Nfiu hpp kim cd cdng nfailu nguyfin td fapp kim hda vd cdc chat bdi tron rdn tfai dp bin mdn cdng cao, nfaung cdng nghe che tgo cdng phiic tgp Bdi bdo gidi thi?u vl kit qud th\rc nghiem khdo sdt dgc tinh ma sat hpc doi vdi hai mac vat li^u l\ra chpn (BCu4Sn4Zn2PbC va BCu6Sn6Zn3PbCp luy^n kim bpt ung dyng cfao bac bifin vd bgc palie ddn^ ca xe d td tai h-png din 7,5 tdn, vdi cdng sudt den 350 CV, * nfadm muc tieu danfa gia kfad nang ldm vi^c cua bac trupt bimetal d guy md phdng thi n g h i ^ trudc xay d\rag de An tfauc hien sdn xuat thilr nghifim dilu kien Vifit Nam dh hodn thi^ cdng nghp de xuat PHlTONG PHAP NGHIEN CtfV a) Vdt li^u thi nghifm: Mau vat li^u bimetal thep bsKn - Hpp kiin ddng BCu6n6Zn3PbC vd BCu4Sn4Zn2PbC chl tgo bdng cdng nghf luypn kim b$t dupc h? sd ma sdt dong thdi vdi xdc dinfa lupng mdn nfaanh chi ddi vdi ldp hpp kim ddng tren thiet bi thi nghipm chuyfin dyng TRIBOTESTER hien cd nudc d difiu kipn ma sat khd mdi tnidng khdng vdi ma sdt cd bdi tran hgn chl Bdng L Thdnhphdn hoa hpc l&p vpt lipu thieu ket tren l&p thep nen [3] Kj hi^u mic v%t lifu LKB VLl:BCu4Sn4Zn2PbC VL2: Bcu6Sn6Zn3PbC I- : gt Sn Him liryng cic nguySn t6, % kh6i lirgng Zn Pb Cu Phu gia c„ 4,0 6,0 4,0 6,0 2,0 3,0 1,0 1,0 b) Phirorng phip xic dinh hf s6 ma sit cua I6p hgp kim ddng chiu mon: Slj AifDg thidt bj ma sat hpc TRIBOTESTER co tich hgp cac phin mim tinh toin xtr ly s6 ligu ciia hang TTO-TRIBO technic de thir tren cac miu bimetal trang thai sau thieu kSt va sau biSn dang can dl xic djnh hg so ma sat cua vat lieu cr diSu kign ma sat kho va c6 boi tron han ch6 diSu kign phdng thi nghi$m vdi dg im, nhigt dg moi trudng thijp, tii trgng {hfc dat tai khoing -'•12), so v6ng quay true chinh va quang duong thil cho trucrc TrSn hinh la hinh anh mo ta so nguyen 1^ va giao dien man hinh may 1,0-5-2,0 1,0 + 2,0 tinh khai bio dieu Men thii nghigm Hinh I.Sado thir vai giao dien mdn hinh mdy tinh nhgp cdc so lieu dohesd ma sdt vgi li?u thu nghiem he s6 ma sdt tren mdy TRIBOTESTER ISSN 0866-7056 TAP CHJ CO KHl V I £ T NAM, S6 10 nam www.coktaivietnam.vn Con Iji Conidi 2016 NGHieN CCrU - TRAO OOl hoach thuc nghigm tnre giao kilu miic yeu t6 (N = 3') vori ap luc bg ddi ma sit p =1,0; 1,5; 2,0 MPa, so vong quay c6 true n " 1000; 1500; 2000 vong/phut va dg nhdrt diu boi trcm quy iroc TI= 10; 25; 40 est [3] KET QUA THV'C NGHIf M VA BAN LU^N a) Hg s6 ma sit vit ligu hg'p kim d6ng chiu mon: Kit qua thi nghigm xae dinh hg s6 ma sit cho tren eic hinh a-H; Tix eho thiy: Hinh Anh chup mdu mdy thu mon nhanh bpc trugt v&i hp thong boi trcm tudn hodn (b): 1) Bpng ccr dipn trite chinh; 2) Bp truyen ddy dai; 3) Qua vific danh gia eudng dg mdn eua ldp hgp kim ddng ed ldp phii babit B16 trfin diy da khang djnh dugc nang lim vigc tdt, dim bio Ngiy nhan bii: lS/9/2016 cic chi tieu ma sit hgc ciia vgt ligu ehiu mdn, Ngiy phin bign: 20/10/2016 cimg nhu nang lip rap thay till cho dgng co sua chira dat yfiu can ky thugt cin tiiilt Tai lifu tham khio: 4.KETLUJ^N [1], Hi Minh Himg; Nghien dm chd tgo vgt li^u hai tap chiu mon thep 08Kn ~ hop kim nhom he Al-Sn Cu ditng ldm bgc tru0 dgng ca to cong sudt vira vd nho, Bdo cao ting kit dfi tai NCKH cip Bp Cong Thuong nam 2012 (ma so 43-12/RD/HD-KHCN, Vifin Nghien cim Co Hi Ndi, 2012 [2] Hi Minh Hiing; Nghien ciru cong nghe che tgo vgt lieu hap kim lap (trimetal) ung dgng ldm dia ma sdt cita bd ly hop dgng ca mdy dgng lite, may cong trinh, Bdo cio tong kit dl tii NCKH cip Bg 2) Lugng mdn nhanh tnmg binh ( U ^ vi Cong Thuong nam 2013, raa sd 119.13/RD/HDcudng dg mdn hrong triig (I J cua bgc bien d0ng KHCN, Vifin Nghien cira Co Ha Ndi, 2013 CO xe td taittgng3,5 tin,fliiinghigm phy fliugc vio ap l\rc ma sit (p), so vdng quayttvechmh (n) [3] Ha Minh Hiing; Nghien dm img dgng cong vi dg nhdt quy udc eiia diu bdi tton (ri), dugc ngh? phoi hgp luyen kim bgt vd xd ly bd mgt de che bifiu diln bang md hinh toin hgc bae hai d cdng tgo vgt lieu trimetal thep - hgp kim ddng - lap phi tiiirc (1), md tiraquy lugt chung vl s\r inh hudng dgc bigl ldm bgc trugt dgng ca d to tdi trgng lin thay ciia 3tiidngsd dd tdi him muc tieu cintimdoi Ihe hdng nhgp khdu" (ma so: 61 /HD-LHHVN), Bdo cua ldp vgt ligu BCu6Sn6Zn3PbC ttfin bgc ttugt cio tong kit dl tdi Lien hifip Hgi Vifit Nam, Vifin chfi thu So sinh dli chilu vdi so lieu cdng bd Phit trien Ky thuat Cong nghfi Tien tiln (IDAT), Ha cua bgc hnrgt luy^n kim bgt nrong duong Lien Ngi, 2016 bang Nga sin xuit d quy md cdng nghigp da minh chdng dugc nang lim vific tdt vi chotiiiykit [4] H M cDeflopcHKo Hflpyrae,(1978): "CaoiierBa qui fliue nghigm phu hgp lytiiuyfitbdi tran ma nopouiKOB MerajuioB, TyroroiaeKHX coctwHcmm H cneHeHHbix MarepHajioa", KHCB, HMST-BO: sit vi mai mdn "HayKOBa llyMKa", 183 cxp 1) Hg sd ma sit eua hgp kim ddng BCu4Sn4Zn2PbCgr vi BCu6Sn6Zn3PbC d cd giittibing: f = 0,16 + 0,23 (ma sit khdevi f= 0,125 + 0,13 (cd bdi tton han chfi) vdi tii ttgng thir (tdc dg mrgt, lyc dat tii) khie nhau, dim bio yeu ciu lim vific cua bac tnrgt ttong dgng CO xe d td cd tai ttgng ttimg binh (tir 3,5 tin din 7,5 tin) d gam edng suit din 350 CV ISSN 0866.7056 TiM'CHJCOKHlVlETNAM.Sd 10nam2016 www.cokhivietnam.vn ... rd quy luat: Khi lue ma sit cang tang thi hg sd ma sat tang, dieu dd dan d i n lugng m^dn ma sit tang, my nhien, thir ttong dieu kign ed diu bdi ttcm (mau No 3) thi hg sd ma sit giim tit ding... gan bang 1/2 so vdi thir d dilu kign ma sit khd (mau No.l va No.2) So sinh doi chilu vdi tinh nang ma sit hge cua m^t sd mic hgp kim d i n g chju mdn luygn kim bdt tuong duong cua Lien bang Nga... NGHieNCCrU-TRAODOl + Hp so ma sdt d dieu kien ma sdt khd cua mpt sd hpp kim ddng cfaiu mdn BpOXMcrp5-10-l-l ung vdi mat dp tuong ddi 98 - 100 % Id I^, = 0,0045 - O.oie ^un/km, cdn mat dp tuong doi 90
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