CN1696637A - Spectrum of aluminum alloy, Chemical standard specimen, and preparation method - Google Patents

Spectrum of aluminum alloy, Chemical standard specimen, and preparation method Download PDF

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CN1696637A
CN1696637A CN 200510009992 CN200510009992A CN1696637A CN 1696637 A CN1696637 A CN 1696637A CN 200510009992 CN200510009992 CN 200510009992 CN 200510009992 A CN200510009992 A CN 200510009992A CN 1696637 A CN1696637 A CN 1696637A
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standard
aluminum alloy
spectrum
percentage
weight
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CN100342227C (en
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吕新宇
高振中
李庆玉
刘双庆
董晓琳
王涛
芦载浩
张春波
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Northeast Light Alloy Co Ltd
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Abstract

A method for preparing standard sample includes forming standard sample composition by wt % of 0.05 -1.0% Si, 0.1 -1.5 % Fe, 0.01 -0.5 % Cu, 0.05 -1.5 % Mn, 1.0 -10.0 %Mg, 0.01 -0.5 % Zn, 0.01 -0.5 Ti, 0.01 -0.5 % Cr, 0.01 -0.3 % Ni, 0.0001 -0.01 % Be and Al as allowance ; mixing and melting above material except Mg and Al ; adding mg and Al in and agitating the material for refining ; casting the material in crystallizer after 30 min resting ; carry out homogenizing treatment ; using lathe to move off 8 - 10 mm skin of cast ingot and using the boring mill to cut off phi 22 - 25 mm centre to obtain cylinder spectrum standard sample of aluminium alloy.

Description

Spectrum of aluminum alloy and chemical standard samples and job operation thereof
Technical field:
The present invention relates to rustproof aluminum alloy line aluminium alloy spectrum and chemical standard samples and production technology thereof.
Background technology:
Along with the continuous development of analytical technology and the modernization of analytical test means, more user will get more and more to spectrum and the chemical analysis demand with standard model.After all passing through melting, casting, homogeneity initial survey, homogenising thermal treatment, extruding, processing, general wrought aluminium alloy standard model carries out data handling procedure again, their technology structural state is inconsistent with the structural state of producing sample for analysis like this, so can not guarantee controllable quality.
Summary of the invention:
The present invention can analysis quality in use be controlled better with standard model in order to make spectrum and chemical analysis, a kind of spectrum of aluminum alloy and chemical standard samples and job operation thereof are provided, it makes the production sample for analysis consistent with the structural state of standard model by adopting special process, analysis quality has in use obtained better control, and melting, casting technique have been improved, homogeneity is guaranteed, is fit to controllable quality more.Standard model of the present invention is made up of according to the proportioning of percentage by weight following compositions: Si:0.05~1.0%, Fe:0.1~1.5%, Cu:0.01~0.5%, Mn:0.05~1.5%, Mg:1.0~10.0%, Zn:0.01~0.5%, Ti:0.01~0.5%, Cr:0.01~0.5%, Ni:0.01~0.3%, Be:0.0001~0.01%, Al: surplus.The spectrum of aluminum alloy standard model is processed according to following steps: a, earlier with Si, Fe, Cu, Mn, Zn, Ti, Cr, Ni, Be mixes in proportion, rising temperature to 700~800 ℃ all melt metal, add Mg then in proportion, Al stirs, add fining agent subsequently and carry out concisely under inert gas shielding, wherein the percentage by weight of each chemical constitution is: Si:0.05~1.0%, Fe:0.1~1.5%, Cu:0.01~0.5%, Mn:0.05~1.5%, Mg:1.0~10.0%, Zn:0.01~0.5%, Ti:0.01~0.5%, Cr:0.01~0.5%, Ni:0.01~0.3%, Be:0.0001~0.01%, Al: surplus; After b, static 30min minute, in crystallizer, be that 0.075~0.05Mpa, temperature are to cast with the speed of 170~190mm/min under 730~750 ℃ the condition at hydraulic pressure; C, under temperature is 460~475 ℃ condition, be incubated 12~16h then, carry out homogenising thermal treatment; Ingot casting after d, the soaking removes center φ 22~25mm with boring machine and becomes the central column spectral standard sample with lathe peeling 8~10mm.The aluminum alloy chemically standard model is processed according to following steps: a, earlier with Si, Fe, Cu, Mn, Zn, Ti, Cr, Ni, Be mixes in proportion, rising temperature to 700~800 ℃ all melt metal, add Mg then in proportion, Al stirs, add fining agent subsequently and carry out concisely under inert gas shielding, wherein the percentage by weight of each chemical constitution is: Si:0.05~1.0%, Fe:0.1~1.5%, Cu:0.01~0.5%, Mn:0.05~1.5%, Mg:1.0~10.0%, Zn:0.01~0.5%, Ti:0.01~0.5%, Cr:0.01~0.5%, Ni:0.01~0.3%, Be:0.0001~0.01%, Al: surplus; After b, static 30min minute, in crystallizer, be that 0.075~0.05Mpa, temperature are to cast with the speed of 170~190mm/min under 730~750 ℃ the condition at hydraulic pressure; C, under temperature is 460~475 ℃ condition, be incubated 12~16h then, carry out homogenising thermal treatment; Ingot casting after d, the soaking removes center φ 22~25mm with boring machine and becomes the central column standard specimen with lathe peeling 8~10mm; E, then with milling machine processing, screen with 16 orders and 32 mesh standard sieves, remove the last thing and the 32 order screen underflows of 16 mesh sieves, through the artificial abundant mixing of inquartation, inhale magnetic repeatedly with magnet again, remove and divide in the bottle of packing into after the iron of sneaking in the processing is cut, obtain chemical standard samples.The present invention directly casts φ 65mm ingot casting by adopting special melt casting process, this standard model composition is reasonable in design, broad covered area, adaptability is strong, preparation technology is advanced, particularly successfully developed as cast condition ring-type spectra sample, standard model and the difference of producing the analytical sample structural state have been reduced, and adopt multiple advanced technologies means, guaranteed the homogeneity of sample; Adopt two or more different principle, accurate, reliable analytical method is carried out definite value, guarantees the accurate, reliable of value data, through many direct-reading spectrometer checks, this spectral standard sample is linear good, and through study on the stability, this sample has good stable.With spectrum, the chemical standard samples drawing curve that the present invention developed, measure external, domestic standard model simultaneously, the result is (see Table respectively 1 and table 2) as can be seen: very approaching by result and standard value that the working curve of this standard model is analyzed, prove that this standard specimen has reached domestic and international similar level.
Table 1 spectral standard sample
Sample Project Chemical constitution
??Si ??Fe ??Cu ??Mn ??Mg ??Zn ??Ti ??Cr ??Ni ??B
??1 Standard value, % ??0.907 ??1.17 ??0.222 ??1.04 ??1.71 ??0.293 ??0.218 ??0.130 ??0.153 ??0.000498
Uncertain value ??0.015 ??0.03 ??0.006 ??0.05 ??0.03 ??0.005 ??0.004 ??0.006 ??0.003 ??0.000050
??2 Standard value, % ??0.587 ??0.392 ??0.083 ??0.417 ??3.14 ??0.031 ??0.100 ??0.066 ??0.076 ??0.000158
Uncertain value ??0.008 ??0.004 ??0.003 ??0.008 ??0.04 ??0.001 ??0.001 ??0.003 ??0.001 ??0.000008
??3 Standard value, % ??0.379 ??0.654 ??0.117 ??0.215 ??4.72 ??0.178 ??0.168 ??0.391 ??0.102 ??0.00528
Uncertain value ??0.005 ??0.030 ??0.005 ??0.004 ??0.05 ??0.004 ??0.010 ??0.006 ??0.004 ??0.00015
??4 Standard value, % ??0.187 ??0.248 ??0.033 ??0.742 ??6.62 ??0.111 ??0.021 ??0.022 ??0.034 ??0.00146
Uncertain value ??0.006 ??0.004 ??0.001 ??0.01 ??0.07 ??0.005 ??0.001 ??0.002 ??0.001 ??0.00010
??5 Standard value, % ??0.082 ??0.122 ??0.012 ??0.102 ??7.81 ??0.047 ??0.060 ??0.183 ??0.023 ??0.00315
Uncertain value ??0.004 ??0.007 ??0.001 ??0.004 ??0.08 ??0.002 ??0.003 ??0.004 ??0.001 ??0.00020
Table 2 chemical standard samples
Sample Project Chemical constitution
??Si ??Fe ??Cu ??Mn ??Mg ??Zn ??Ti ??Cr ??Ni ??B
??1 Standard value, % ??0.907 ??1.17 ??0.222 ??1.04 ??1.71 ??0.293 ??0.218 ??0.130 ??0.153 ??0.000498
Uncertain value ??0.012 ??0.01 ??0.005 ??0.05 ??0.04 ??0.002 ??0.003 ??0.005 ??0.001 ??0.000040
??2 Standard value, % ??0.587 ??0.392 ??0.083 ??0.417 ??3.14 ??0.031 ??0.100 ??0.066 ??0.076 ??0.000158
Uncertain value ??0.005 ??0.003 ??0.002 ??0.006 ??0.02 ??0.001 ??0.001 ??0.002 ??0.001 ??0.000007
??3 Standard value, % ??0.379 ??0.654 ??0.117 ??0.215 ??4.72 ??0.178 ??0.168 ??0.391 ??0.102 ??0.00528
Uncertain value ??0.004 ??0.030 ??0.004 ??0.003 ??0.05 ??0.003 ??0.007 ??0.005 ??0.002 ??0.00015
??4 Standard value, % ??0.187 ??0.248 ??0.033 ??0.742 ??6.62 ??0.111 ??0.021 ??0.022 ??0.034 ??0.00146
Uncertain value ??0.005 ??0.003 ??0.001 ??0.008 ??0.04 ??0.004 ??0.001 ??0.002 ??0.001 ??0.00009
??5 Standard value, % ??0.082 ??0.122 ??0.012 ??0.102 ??7.81 ??0.047 ??0.060 ??0.183 ??0.023 ??0.00315
Uncertain value ??0.002 ??0.005 ??0.001 ??0.003 ??0.07 ??0.002 ??0.002 ??0.003 ??0.001 ??0.00011
Embodiment:
Embodiment one: the spectrum of aluminum alloy of present embodiment and chemical standard samples are made up of according to the proportioning of percentage by weight following compositions: Si:0.05~1.0%, Fe:0.1~1.5%, Cu:0.01~0.5%, Mn:0.05~1.5%, Mg:1.0~10.0%, Zn:0.01~0.5%, Ti:0.01~0.5%, Cr:0.01~0.5%, Ni:0.01~0.3%, Be:0.0001~0.01%, Al: surplus.
Embodiment two: the spectrum of aluminum alloy standard model is processed according to following steps in the present embodiment: a, melting: earlier with Si, Fe, Cu, Mn, Zn, Ti, Cr, Ni, Be mixes in proportion, rising temperature to 700~800 ℃ all melt metal, add Mg then in proportion, Al stirs, add fining agent subsequently and carry out concisely under inert gas shielding, wherein the percentage by weight of each chemical constitution is: Si:0.05~1.0%, Fe:0.1~1.5%, Cu:0.01~0.5%, Mn:0.05~1.5%, Mg:1.0~10.0%, Zn:0.01~0.5%, Ti:0.01~0.5%, Cr:0.01~0.5%, Ni:0.01~0.3%, Be:0.0001~0.01%, Al: surplus; B, casting: after static 30min minute, in crystallizer, be that 0.075~0.05Mpa, temperature are to cast with the speed of 170~190mm/min under 730~750 ℃ the condition at hydraulic pressure; C, under temperature is 460~475 ℃ condition, be incubated 12~16h then, carry out homogenising thermal treatment; Ingot casting after d, the soaking removes center φ 22~25mm with boring machine and becomes the central column spectral standard sample with lathe peeling 8~10mm.Described fining agent is the aluminium titanium boron wire fining agent, and the weight content of titanium is 5% in the fining agent, and the addition of fining agent is 1Kg/ ton (alloy).
Embodiment three: the job operation of aluminum alloy chemically standard model in the present embodiment, it is characterized in that it is processed according to following steps: a, melting: earlier with Si, Fe, Cu, Mn, Zn, Ti, Cr, Ni, Be mixes in proportion, rising temperature to 700~800 ℃ all melt metal, add Mg then in proportion, Al stirs, add fining agent subsequently and carry out concisely under inert gas shielding, wherein the percentage by weight of each chemical constitution is: Si:0.05~1.0%, Fe:0.1~1.5%, Cu:0.01~0.5%, Mn:0.05~1.5%, Mg:1.0~10.0%, Zn:0.01~0.5%, Ti:0.01~0.5%, Cr:0.01~0.5%, Ni:0.01~0.3%, Be:0.0001~0.01%, Al: surplus; B, casting: after static 30min minute, in crystallizer, be that 0.075~0.05Mpa, temperature are to cast with the speed of 170~190mm/min under 730~750 ℃ the condition at hydraulic pressure; C, under temperature is 460~475 ℃ condition, be incubated 12~16h then, carry out homogenising thermal treatment; Ingot casting after d, the soaking removes center φ 22~25mm with boring machine and becomes the central column standard specimen with lathe peeling 8~10mm; E, then with milling machine processing, screen with 16 orders and 32 mesh standard sieves, remove the last thing and the 32 order screen underflows of 16 mesh sieves, through the artificial abundant mixing of inquartation, inhale magnetic repeatedly with magnet again, remove and divide in the bottle of packing into after the iron of sneaking in the processing is cut, obtain chemical standard samples.
Embodiment four: the percentage by weight of each composition sees Table 3 in the spectrum of aluminum alloy of present embodiment and the chemical standard samples.
Table 3, %
Numbering ??Si ??Fe ??Cu ??Mn ??Mg ??Zn ??Ti ??Cr ??Ni ??Be ??Al
??1 ??0.90 ??1.00 ??0.25 ??1.20 ??2.00 ??0.32 ??0.30 ??0.10 ??0.15 ??0.0005 Surplus
??2 ??0.55 ??0.40 ??0.08 ??0.40 ??3.50 ??0.025 ??0.10 ??0.05 ??0.065 ??0.0001 Surplus
??3 ??0.35 ??0.64 ??0.14 ??0.20 ??5.00 ??0.18 ??0.18 ??0.40 ??0.10 ??0.006 Surplus
??4 ??0.20 ??0.25 ??0.04 ??0.70 ??6.50 ??0.10 ??0.02 ??0.02 ??0.04 ??0.0015 Surplus
??5 ??0.10 ??0.15 ??0.02 ??0.10 ??8.00 ??0.05 ??0.05 ??0.25 ??0.02 ??0.003 Surplus
Select materials: be higher than 0.15 for Fe, Si composition, can directly use the common fine aluminium of A00, and for Fe, Si composition less than near person 0.10~0.15, then need to add a certain amount of rafifinal, and with due regard to Fe, Si content in the intermediate alloy by its Fe, Si content.Mn, Zn can use pure magnesium, industrial-purity zinc.The intermediate alloy that uses has: Al-40%Cu (the Al weight content is 60%, and the Cu weight content is 40%), Al-10%Mn, Al-20%Si, Al-10%Fe, Al-3%Cr, Al-20%Ni, Al-3%Ti, Al-3%Be.For guaranteeing the accuracy of batching, starting material have all carried out constituent analysis before use.
Melting: earlier Si, Fe, Cu, Mn, Zn, Ti, Cr, Ni, Be are mixed in proportion, rising temperature to 700~800 ℃ all melt metal, add Mg in proportion then, Al stirs, and add fining agent subsequently and carry out concise under inert gas shielding.Carry out melting with small-sized electric furnace, for guaranteeing the homogeneity of ingot casting chemical constitution, adopt the method that adds aluminium titanium boron wire fining agent (weight content of titanium is 5%) during melting, to guarantee grain refining effect; Adopt substep to adjust the chemical constitution method, take elder generation, add Mg and Al-Be again, both added Mg and Be, protected Mg again after other element controls to design mix except that Mg.Solve a large amount of scaling loss of Mg and other impurity like this and do not had the standard specimen definite value and the big problem of error; All instruments (sample spoon, stirrer) are used paint coatings, prevent the pollution to melt; Adopt the method for refining that dusts during refining, exactly solvent is processed into powder, oven dry, under the carrying of argon carrier, be blown into melt then, such refining effect is good, and existing solvent slagging-off effect has the gas degasifying effect again, because solid solvent powdering, argon gas bubbles is little, increases they and melt contact area, thereby gives full play to usefulness.
Casting: the casting of this cover standard specimen adopts φ 65mm crystallizer directly to cast φ 65mm as cast condition standard specimen, and (" heat top " casting of significant height 8~10mm) has been eliminated the space that forms between ingot casting and wall, thereby reduced contrary deviation greatly to adopt short crystallizer; Meanwhile, also adopted filtering technique in order to purify metal, melt will pass through foam porous ceramic filter to the crystallizer flow process in stove, and some harmful impurity and oxide films are held back by micropore, remaining clean aluminium liquid flows into crystallizer, and its casting parameter sees Table 4.
Table 4
Hydraulic pressure, Mpa Temperature, ℃ Speed, mm/min The ingot casting specification, mm
??0.075~0.05 ??730~750 ??170~190 ??φ65×(2000~2500)
φ 56 * 32mm bulk 5 is the processing of spectral standard sample: the ingot casting after the soaking is removed the peel 8~10mm with lathe, for more all even sample in use center need not, remove center φ 22~25mm with boring machine and become φ 56 * 32mm central column standard specimen, stamp numbering, make block spectral standard sample.
φ 56 * 32mm bulk 5 is the processing of chemical standard samples: central column spectra sample is after the assay was approved processed with production miller, screen with 16 orders and 32 mesh standard sieves, remove the last thing and the 32 order screen underflows of 16 mesh sieves, through the artificial abundant mixing of inquartation, inhale magnetic repeatedly with magnet again, remove and divide in the vial of packing into every bottle of 50g after the iron of sneaking in the processing is cut, pack in the special box, obtain chemical standard samples.

Claims (10)

1, spectrum of aluminum alloy and chemical standard samples is characterized in that it is made up of according to the proportioning of percentage by weight following compositions: Si:0.05~1.0%, Fe:0.1~1.5%, Cu:0.01~0.5%, Mn:0.05~1.5%, Mg:1.0~10.0%, Zn:0.01~0.5%, Ti:0.01~0.5%, Cr:0.01~0.5%, Ni:0.01~0.3%, Be:0.0001~0.01%, Al: surplus.
2,, it is characterized in that it is made up of according to the proportioning of percentage by weight following compositions: Si:0.90%, Fe:1.00%, Cu:0.25%, Mn:1.20%, Mg:2.00%, Zn:0.32%, Ti:0.30%, Cr:0.10%, Ni:0.15%, Be:0.0005%, Al: surplus according to described spectrum of aluminum alloy of claim and chemical standard samples.
3,, it is characterized in that it is made up of according to the proportioning of percentage by weight following compositions: Si:0.55%, Fe:0.40%, Cu:0.08%, Mn:0.40%, Mg:3.50%, Zn:0.025%, Ti:0.10%, Cr:0.05%, Ni:0.065%, Be:0.0001%, Al: surplus according to described spectrum of aluminum alloy of claim and chemical standard samples.
4,, it is characterized in that it is made up of according to the proportioning of percentage by weight following compositions: Si:0.35%, Fe:0.64%, Cu:0.14%, Mn:0.20%, Mg:5.00%, Zn:0.18%, Ti:0.18%, Cr:0.40%, Ni:0.10%, Be:0.006%, Al: surplus according to described spectrum of aluminum alloy of claim and chemical standard samples.
5,, it is characterized in that it is made up of according to the proportioning of percentage by weight following compositions: Si:0.20, Fe:0.25, Cu:0.04, Mn:0.70, Mg:6.50, Zn:0.10, Ti:0.02, Cr:0.02, Ni:0.04, Be:0.0015, Al: surplus according to described spectrum of aluminum alloy of claim and chemical standard samples.
6,, it is characterized in that it is made up of according to the proportioning of percentage by weight following compositions: Si:0.10%, Fe:0.15%, Cu:0.02%, Mn:0.10%, Mg:8.00%, Zn:0.05%, Ti:0.05%, Cr:0.25%, Ni:0.02%, Be:0.003%, Al: surplus according to described spectrum of aluminum alloy of claim and chemical standard samples.
7, the job operation of spectrum of aluminum alloy standard model according to claim 1, it is characterized in that it is processed according to following steps: a, earlier with Si, Fe, Cu, Mn, Zn, Ti, Cr, Ni, Be mixes in proportion, rising temperature to 700~800 ℃ all melt metal, add Mg then in proportion, Al stirs, add fining agent subsequently and carry out concisely under inert gas shielding, wherein the percentage by weight of each chemical constitution is: Si:0.05~1.0%, Fe:0.1~1.5%, Cu:0.01~0.5%, Mn:0.05~1.5%, Mg:1.0~10.0%, Zn:0.01~0.5%, Ti:0.01~0.5%, Cr:0.01~0.5%, Ni:0.01~0.3%, Be:0.0001~0.01%, Al: surplus; After b, static 30min minute, in crystallizer, be that 0.075~0.05Mpa, temperature are to cast with the speed of 170~190mm/min under 730~750 ℃ the condition at hydraulic pressure; C, under temperature is 460~475 ℃ condition, be incubated 12~16h then, carry out homogenising thermal treatment; Ingot casting after d, the soaking removes center φ 22~25mm with boring machine and becomes the central column spectral standard sample with lathe peeling 8~10mm.
8, the job operation of spectrum of aluminum alloy standard model according to claim 7 is characterized in that described fining agent is the aluminium titanium boron wire fining agent.
9, the job operation of spectrum of aluminum alloy standard model according to claim 8, the weight percentage that it is characterized in that titanium in the described fining agent is 5%.
10, the job operation of aluminum alloy chemically standard model according to claim 1, it is characterized in that it is processed according to following steps: a, earlier with Si, Fe, Cu, Mn, Zn, Ti, Cr, Ni, Be mixes in proportion, rising temperature to 700~800 ℃ all melt metal, add Mg then in proportion, Al stirs, add fining agent subsequently and carry out concisely under inert gas shielding, wherein the percentage by weight of each chemical constitution is: Si:0.05~1.0%, Fe:0.1~1.5%, Cu:0.01~0.5%, Mn:0.05~1.5%, Mg:1.0~10.0%, Zn:0.01~0.5%, Ti:0.01~0.5%, Cr:0.01~0.5%, Ni:0.01~0.3%, Be:0.0001~0.01%, Al: surplus; After b, static 30min minute, in crystallizer, be that 0.075~0.05Mpa, temperature are to cast with the speed of 170~190mm/min under 730~750 ℃ the condition at hydraulic pressure; C, under temperature is 460~475 ℃ condition, be incubated 12~16h then, carry out homogenising thermal treatment; Ingot casting after d, the soaking removes center φ 22~25mm with boring machine and becomes the central column standard specimen with lathe peeling 8~10mm; E, then with milling machine processing, screen with 16 orders and 32 mesh standard sieves, remove the last thing and the 32 order screen underflows of 16 mesh sieves, fully mix cloud through artificial inquartation, inhale magnetic repeatedly with magnet again, remove and divide in the bottle of packing into after the iron of sneaking in the processing is cut, obtain chemical standard samples.
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