連接器端子材料介紹課件

MetalexEnterprisePresentation1今日主題材料需求for3C產(chǎn)品連接器物理/機(jī)械特性基礎(chǔ)簡介&對產(chǎn)品的影響高性能銅合金2連接器所需要的效能銅材所必需具備的條件高接觸力/NormalForce高降服強(qiáng)度/YieldStrength好的散熱性及低溫升完成較低的接觸阻抗高的導(dǎo)電率/Conductivity折彎角度小/微型化產(chǎn)品優(yōu)異的折彎性/低R/T比交變應(yīng)力不失效/高插拔次數(shù)優(yōu)異的抗疲勞強(qiáng)度/FatigueStrength

材料需求for3C產(chǎn)品連接器位移形變小/下壓行程有限但需高接觸力符合環(huán)保標(biāo)準(zhǔn)無環(huán)境有害物質(zhì)/ROHS高楊氏/彈性系數(shù)Young‘sModulus

高熱傳導(dǎo)係數(shù)/ThermalConductivity

持久的高接觸力/高溫環(huán)境下工作高的抗應(yīng)力鬆弛/StressRelaxation3FFTensileTest/抗拉測試5Lo=50mmLf=50mm+AALo=5mm

5mm+A′A5mm>A10mm>A50mm

TensileTest/抗拉測試A50mm =Lf

-Lox100%LoLo-OriginalLength/原始長度Lf-FinalLength/最終長度6TensileTest/抗拉測試Rm TensilestrengthRp0.2 YieldstrengthRupture0.2%

TotalelongationStress[MPa]

=(Lf-L0)/L0x100[%]Rp0.2RmElongation[%]Young′sModulusE7Stress[MPa]Elongation[%]Young‘sModulus楊氏/彈性系數(shù)楊氏系數(shù)越大斜率越陡，在相同形變下，有較高之接觸力。適合下壓行程有限但需高接觸力的產(chǎn)品。但須配合降服強(qiáng)度。E9

影響成型性能/折彎性能的因素material/temper

材料/強(qiáng)度

bendingdirection

折彎方向thickness

厚度(通常<0.25mm)

beamwidth

折彎寬度(通常<3mm)

BendingdirectionBendingdirectiongoodwaybadwayRollingdirection10

r=090°V-shapediePunchwithbendingradiusro180°U-shapedieroPunchwithbendingradiusspecimen影響成型性能/折彎性能的因素

bendingangle折彎角度bendingradius折彎半徑formingspeed

成型速度

forminginsteps

成型步驟11維克氏硬度硬度=材料抵抗凹陷的力量薄的材料與過小的力量會增加數(shù)據(jù)的誤差0.5mm厚度以下誤差甚大0.5mm厚度以下只可為參考值抗拉/降伏強(qiáng)度能夠更精確的表達(dá)材料強(qiáng)度13LoadVickersHVDiagonalLoadBrinellHBDiameterLoadRockwellHRB,HR30TIndentationdepth硬度測量法維克氏布氏洛氏14當(dāng)端子在有接觸力的情況下1)時(shí)間2)溫度將是材料產(chǎn)生應(yīng)力鬆弛最主要的因素LoadTimeTimet00L應(yīng)力鬆弛15銅合金for連接器運(yùn)用各式材料特性的重要性導(dǎo)電率/熱傳導(dǎo)係數(shù)Electrical/thermalconductivity折彎性/Bendability楊氏係數(shù)/Young′sModulus抗應(yīng)力鬆弛/Stressrelaxationresistance降服強(qiáng)度/Yieldstrength通訊&電腦17CuBe2C172CuTi3C1992003004005006007008009001.000Electricalconductivity(MS/m)Electricalconductivity(%IACS)YieldstrengthRp0,2(MPa)01020304050

10

20

30

40

50

60

70

80

90100

01.1001.200CuBeC17410Bending90°r=0,5xsGoodwaymax.stripthickness0,35mm電腦&消費(fèi)性連接器K75/C18070K88/C18080K55C7025B18C5210K57C70350B18SupralloyYCuT-FX

18鈦銅-YCuT-FX**需要高壽命及高接觸力之開闢switch和連接器(Battery,socket,minUSB,…等)19TensilestrengthRm MPa620–760

650–780

690–800608-725

YieldstrengthRp0,2 MPamin.500min.585min.655550-650

ElongationA50 %min.10

min.7min.5min.6

HV (180-220)(200-240)(220–260)

(180–220)

El.conductivity%IACS

43.1

43.1

43.1

43.1R620

R650

R690TR02Min.BendRadius90°

Goodway

0

1

1.51

Badway

0

1

1.5

3Temper

WielandK55

高性能銅合金

**需要高接觸力,低阻抗及在高溫環(huán)境下有較佳之抗應(yīng)力鬆弛,可運(yùn)用在連接器(phoneJack、LVDS、I/Oconn、…等)，也適合應(yīng)用在汽車端子及IC導(dǎo)線架材料上。21WielandK57高性能銅合金

Tensile

strengthRm MPa 770-900840-970Yield

strengthRp0,2 MPa 750-850810-920

ElongationA50 % 4

1HV (220-280)(240-300)El.conductivity%IACS 50 45

TM04TM06Min.BendRadius90°@10mmsample

width GoodWay(<0,35/<0.15mm)2.0/1.5

2.5/2.0 BadWay(<

0.35/<0,15mm)2.0/1.5

2.5/2.0Temper**需要高接觸力,低阻抗及在高溫環(huán)境下有較佳之抗應(yīng)力鬆弛,可運(yùn)用在連接器(phoneJack、LVDS、I/Oconn、…等)，也適合應(yīng)用在汽車端子及IC導(dǎo)線架材料上。222003004005006007008009001.000Rel.bendradiusr/tYieldStrengthRp0,2(MPa)0123451.1001.200max.stripthickness0.5mmK57-C70350C17410C17460K55-C70250badwaygoodwayTemper1Temper2Temper1Temper2Temper1Temper2Temper1Temper2Temper2K57與CuBe的折彎表現(xiàn)最小折彎半徑&降伏強(qiáng)度Expectedvalues2300,511,522,53020406080w/tr/t?badway“w?goodway“wDatasheetvaluesgoodwaybadwayK57Bendability:w/t比與r/t比Resultsfor90°Bends,TemperTM06Expectedvalues25TensilestrengthRm MPa400–480

460–540

530-610

YieldstrengthRp0,2 MPamin.300min.370 min.460

ElongationA50 %

min.8min.5 min.2

HV (120-150)(140-170)(150–190)

El.conductivity%IACS

77.6

77.6

77.6

R400

R460

R530Min.BendRadius90°

Goodway

0

0.5

1

Badway

0

0.5

1

Temper

WielandK75

高性能銅合金

**需要通過大電流及產(chǎn)生較低的溫升,可運(yùn)用在switch開闢,LED,連接器(powerconn,…等)26TensilestrengthRm MPa480–560540–630520-620

YieldstrengthRp0,2 MPamin.450min.520 min.500

ElongationA50 %

min.7min.2 min.7

HV (140-170)(150-180)(160–190)

El.conductivity%IACS

808080

R480 R540TR08Min.BendRadius90°

Goodway

0

0.5

2 Badway

0

0.5

3Temper

WielandK88高性能銅合金

**需要通過大電流及產(chǎn)生較低的溫升,可運(yùn)用在switch開闢,LED,連接器(powerconn,…等)27

SUPRALLOY?-Bronze–180°折彎比較對象C5210

0,15mm180°折彎

withr=0,2mm,badwayC5210Rp0,2=650MPaWielandB18SUPRALLOY?Rp0,2=685MParCracks:一般磷青銅已出現(xiàn)Cracks!SUPRALLOY?:儘管高強(qiáng)度依然完美成型且表片平滑!!29疲勞強(qiáng)度–WielandB18SUPRALLOY?***疲勞強(qiáng)度尚有54%的Tensilestrength!(一般銅材約30%~35%)StandardSUPRALLOY?30B18SUPRALLOY-DatasheetvaluesTemperTensileStrength[MPa]YieldStrength[MPa]ElongationA5