Magnesium alloy structure and solder (below)

Time:2023-06-21 12:02:21
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source:JANEZH CNC Machining

6Of Mg alloy solder by what above analyses knowable Mg alloy have very great difficulty, solder approvingly quality is obtained not easily, but the urgent need as a result of industry, a lot of scientific worker made very great effort, fetch a few significant gain. Express the 2 chemical composition that are commonly used magnesium alloy and mechanical function. Express what the 3 alloy that it is Mg can use to solder method. Among them particularly notable is newest research solders successfully method (make clear in the watch for " good, new " ) , give to these a few kinds of methods below the introduction. Normal Align=center> expresses composition of chemistry of 2 magnesium alloy and mechanical function Normal TEXT-ALIGN of Center" Align=center> model: Center" Align=center> chemical composition (quality mark) (% ) Normal TEXT-ALIGN of Center" Align=center> mechanical function: Normal Align=center> United States: Normal Align=center> China: Center" Align=center>Al Normal Align=center>Zn Normal Align=center>Mn Normal Align=center>Ce Normal Align=center>Zr Normal TEXT-ALIGN of Center" Align=center> σ : Center" Align=center> σ 0.

2 Normal Align=center>HB Normal Align=center> δ (%) Normal TEXT-ALIGN of Center" Align=center> condition: Center" Align=center>MPanormal Align=center>M1Anormal Align=center>MB1normal Align=center> Normal Align=center> Normal Align=center>1.

3~2.

5normal Align=center> Normal Align=center> Normal Align=center>290normal Align=center> Normal Align=center>55normal Align=center>7.

0normal Align=center> heat squeezes a club (R) Normal Align=center>300normal Align=center> Normal Align=center>55normal Align=center>10.

0normal Align=center> quenchs processing (T4) , great ability Normal Align=center>AZ31Bnormal Align=center>MB2normal Align=center>3.

0~4.

0normal Align=center>0.

2~0.

8normal Align=center>0.

15~0.

5normal Align=center> Normal Align=center> Normal Align=center>240normal Align=center>130normal Align=center>45normal Align=center>12.

0normal Align=center>0.

8~3.

0 anneal board (M)normal Align=center> Normal Align=center>MB3normal Align=center>4.

0~5.

0normal Align=center>0.

8~1.

5normal Align=center>0.

4~0.

8normal Align=center> Normal Align=center> Normal Align=center>250normal Align=center>150normal Align=center>-normal Align=center>12.

0normal Align=center>0.

8~3.

0 anneal board (M)normal Align=center>200normal Align=center>110normal Align=center> Normal Align=center>5.

0normal Align=center> model (R) Normal Align=center>AZ61Anormal Align=center>MB5normal Align=center>5.

5~7.

0normal Align=center>0.

5~1.

5normal Align=center>0.

15~0.

5normal Align=center> Normal Align=center> Normal Align=center>260normal Align=center> Normal Align=center>50normal Align=center>8.

0normal Align=center> model, anneal (M)normal Align=center>AZ63Anormal Align=center>MB6normal Align=center>5.

0~7.

0normal Align=center>2.

0~3.

0normal Align=center>0.

2~0.

5normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center>AZ80Anormal Align=center>MB7normal Align=center>7.

8~9.

2normal Align=center>0.

2~0.

8normal Align=center>0.

15~0.

5normal Align=center> Normal Align=center> Normal Align=center>300normal Align=center> Normal Align=center>55normal Align=center>8.

0normal Align=center> quenchs processing (T4) , great ability Normal Align=center> Normal Align=center>MB8normal Align=center>-normal Align=center>-normal Align=center>1.

5~2.

5normal Align=center>0.

15~0.

35normal Align=center> Normal Align=center>225normal Align=center>120normal Align=center>51normal Align=center>12.

0normal Align=center> cold rolling (M) Normal Align=center>245normal Align=center>155normal Align=center> Normal Align=center>8.

0normal Align=center> half cold make sclerotic board (Y2)normal Align=center>ZK60Anormal Align=center>MB15normal Align=center>-normal Align=center>5.

0~6.

0normal Align=center>-normal Align=center> Normal Align=center>0.

3~0.

90normal Align=center>315normal Align=center>245normal Align=center> Normal Align=center>6.

0normal Align=center> great ability D8-100 (is fore-and-aft) Normal Align=center> Normal Align=center>MB25normal Align=center>~0.

05normal Align=center>5.

5~6.

4normal Align=center>~0.

1normal Align=center>Y 0.

7~1.

7normal Align=center>0.

45normal Align=center>345normal Align=center>275normal Align=center> Normal Align=center>7.

0normal Align=center> great ability (fore-and-aft) (R)normal Align=center>AZ92normal Align=center> Normal Align=center>8.

3~9.

7normal Align=center>1.

7~2.

3normal Align=center>0.

15normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal TEXT-ALIGN of 　 of 　 of Center" Align=center> : Center" Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center>normal Align=center>normal Align=center>normal Align=center>normal Align=center>normal Align=center>normal Align=center> expresses Normal TEXT-ALIGN of kind of Center" Align=center> stuff: Center" Align=center> solders methodological Normal Align=center>MIGnormal Align=center>TIGnormal Align=center>PLWnormal Align=center>VPPAnormal Align=center>EBWnormal Align=center>LWnormal Align=center>FSWnormal Align=center> is compound solder methodological Normal TEXT-ALIGN of Center" Align=center> resistance welding: Normal Align=center> gas welding: Normal Align=center> diffusion welding: Normal Align=center> drill rod: Center" Align=center>LW+TIGnormal Align=center>LW+MIGnormal Align=center>LW+EMWnormal Align=center> magnesian manganese fastens AZ31BMB1normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> MB8normal Align=center> Normal Align=center> but solder Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> good Normal Align=center>(is new) Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> but solder Normal Align=center> but solder Normal Align=center> Normal Align=center> Normal Align=center> magnalium fastens AZ61AMB2normal Align=center> good Normal Align=center>(is new) Normal Align=center> but solder Normal Align=center> Normal Align=center> Normal Align=center> good Normal Align=center>(is new) Normal Align=center> good Normal Align=center>(is new) Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> but solder Normal Align=center> but solder Normal Align=center> Normal Align=center> MB3normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> MB5normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> ZK60AMB6normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> MB7normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> AZ31 Normal Align=center> good Normal Align=center>(is new) Normal Align=center> but solder Normal Align=center> Normal Align=center> Normal Align=center> but solder Normal Align=center> Normal Align=center> Normal Align=center> but solder Normal Align=center> Normal Align=center> Normal Align=center> good Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> ZM5normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> good Normal Align=center>(is new) Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> magnesian zinc fastens MB15normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> ZM1normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> ZM2normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> ZM3normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> AZnormal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal Align=center> Normal TEXT-ALIGN of 　 of Center" Align=center> : Center" Align=center>normal Align=center> MIG: Extremely fused inert gase protects solder TIG: Inert gase protects tungsten pole solder PLW: VPPA of plasma arc solder: Change polarity plasma arc solder EBW: LW of electron beam solder: FSW of laser beam welding: Agitate friction welding 6.

1MIG solders the MIG with new law solders the law is German M.

The achievement of the place research and development such as Rethmeier, solder in the MIG of Mg in, because the boiling point of Mg alloy is very low, steam pressure of together with evaporate rises very fast, there is overheat a bit in frit drop so when, explode with respect to meeting generation, cause consequently splatter in great quantities, make MIG solder process cannot undertake. Rethmeier created a kind of controlled frit drop form, use the voltaic weaveform that can accuse to make frit drips to be able to transfer already, heat up nevertheless again, if the graph is shown 16 times,weaveform pursues. Undee the first part, when making frit drop is formed, transfer with short circuit means, after this frit drop transfers, continue to generate a small pulse power source, make blandly of drop of the 2nd frit enters bath. Each part of power source weaveform all can undertake modulatory. Use assistance of high speed photography to have observation, adjust, the frit drop that obtains special ideal thereby transfers to shape with welding line. Graph 17 pursue for weaveform of practical electric current. The graph is shown 18 times transfer to use the frit after this electric current is undee to drip circumstance, transfer it is thus clear that very smooth. Use this kind of method, the author soldered successfully the manufacturing test specimen of magnesium alloy of AZ61, AZ31, (see a picture 20) , the MIG welder that develops an industrial robot operation successfully (see a picture 21) , solder 75% what contact exhaustion intensity can amount to mother capable person, contact section sees a picture 19. The experiment of solder of MIG of alloy of graph 20 Mg robot of solder of MIG of alloy of graph 21 Mg and solder circumstance (T connect, 2.

5mm is thick, AZ31 alloy) 6.

Friction welding of agitate of 2 agitate friction welding is a when Mg alloy solders better method, pair of MB8 magnesium alloy such as Xing Li undertake soldering, obtained exterior figuration good, interior does not have stomatic, crackle, solder hind does not have metabolic connect almost, 76% what its tensile strength can amount to mother capable person. The experiment proves, solder hot input is lower (namely solder fast taller) its connect intensity is higher. See a table 4. Express 4 magnesium alloy model to change the mechanical function Normal LINE-HEIGHT of · of Center" Align=center>Traverse Speed V/(mm: 150%; TEXT-ALIGN: Center" Align=center>30normal Align=center>60normal Align=center>95normal Align=center>118normal Align=center>235normal Align=center>300normal Align=center>sb/MPanormal Align=center>143normal Align=center>141normal Align=center>146normal Align=center>134normal Align=center>159normal Align=center>172normal Align=center>130normal Align=center>132normal Align=center>138normal Align=center>135normal Align=center>151normal Align=center>167normal Align=center>sb/ Sb (%)normal Align=center>64normal Align=center>63normal Align=center>65normal Align=center>60normal Align=center>71normal Align=center>76normal Align=center>58normal Align=center>57normal Align=center>61normal Align=center>60normal Align=center>67normal Align=center>74 pursues 22 for figuration of exterior of welding line of AZ81A magnesium alloy, graph 23 for contact macroscopical form appearance. Graph 24 for its metallographic organizes a circumstance, this shows its quality is ideal. Graph the exterior figuration of welding line of friction welding of agitate of 22 AZ81A magnesium alloy pursues 23 agitate friction welding receives a macroscopical form appearance to pursue the constituent configuration of connect of 24 agitate friction welding 7 conclusion A. Magnesium alloy is 21 centuries material of new-style green construction, resourceful, there all is very main price in the domain such as product of car, traffic, space navigation, electron, civil product. B. Magnesium alloy regards a structure as material, soldering is a crucial technology, because this solders,become domestic and international research and development is at present hot dot. C. A certain number of year come, welder author finishs the method of the MIG of Mg alloy, EBW, LBW and FSW and craft successfully, but actual from industry large-scale application still has quite distance. CNC Milling CNC Machining