CN103881796B - A kind of rolling emulsion for the industrialization of strong-texture Ni5W alloy base band and rolling technology - Google Patents
A kind of rolling emulsion for the industrialization of strong-texture Ni5W alloy base band and rolling technology Download PDFInfo
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- CN103881796B CN103881796B CN201410074556.5A CN201410074556A CN103881796B CN 103881796 B CN103881796 B CN 103881796B CN 201410074556 A CN201410074556 A CN 201410074556A CN 103881796 B CN103881796 B CN 103881796B
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Abstract
For rolling emulsion and the rolling technology of the industrialization of strong-texture Ni5W alloy base band, belong to conductor of high-temperature superconductor coat strong-texture metal base band preparing technical field.Base oil is the mixing oil of mineral oil and vegetables oil, and mineral oil and vegetables oil ratio are 20% ~ 40% and 60% ~ 80%; The quality of additive is 5 ~ 10%.Cold-rolled process is divided into three operations, roughing, finish rolling and finish to gauges.Roughing rolling emulsion water oil ratio used is (20 ~ 30): 100; Fine rolling emulsion water oil ratio is (5 ~ 10): 100; Finish to gauge emulsion water oil ratio is (2 ~ 5): 100.The strong-texture Ni5W alloy base band of preparation has better surface smoothness and lower surfaceness.
Description
Technical field
The present invention relates to a kind of rolling lubrication technology improved Ni5W alloy base band surface quality used for coating conductor and improve texture content, belong to conductor of high-temperature superconductor coat strong-texture metal base band preparing technical field.
Background technology
Large sstrain amount is cold rolling is that the auxiliary biaxial texture technology of calendering prepares one of main preparation technology of strong cubic texture Ni5W alloy base band used for coating conductor.Because the requirement of epitaxy transition layer and YBCO superconducting layer will be born and meet to strong cubic texture Ni5W alloy base band, therefore Ni5W alloy base band not only needs to possess strong cubic texture content, also will ensure very high surface quality.Research shows, the surface smoothness of rolling emulsion alloy band has a great impact.In addition, because the employing of rolling lubrication technology not only can increase rolling load, the more effective friction decreased between band and roll, this will produce certain impact to the content of Ni5W alloy rolling texture, even can affect the type of its rolling texture.At present, rolling lubrication is applied in stainless steel widely, aluminium alloy, in the operation of rolling of the various metals such as titanium alloy or alloy material.But according to different materials, different performance requriementss, all can adopt different rolling technologys, the selection of rolling lubricant is also not identical simultaneously.Such as; patent CN01128655.5 describes a kind of lubricating method for cold-rolling of high-purity aluminium foil with strong cubic texture for electrolytic capacitor; but it relates to the setting for high-purity aluminum foil frictional coefficient in cold-rolled process; and carried out patent protection for the setting of frictional coefficient bound, but with the claim of this patent strong cubic texture Ni5W alloy base band rolling lubrication technology without repeating part.
Summary of the invention
For a rolling lubrication technology for strong-texture Ni5W alloy base band industrialization, comprise and be a kind ofly suitable for the industrialization of strong-texture Ni5W alloy base band and improve cubic texture and improve the rolling emulsion of its surfaceness and a kind of Lubrication for Cold technique being suitable for strong-texture Ni5W alloy base band industrialization process.
For a rolling emulsion for strong-texture Ni5W alloy base band industrialization, the base oil of rolling emulsion is the mixing oil of mineral oil and vegetables oil, and the mass percentage ratio that mineral oil and vegetables oil account for mixing oil is 20% ~ 40% and 60% ~ 80%; The total mass of additive is 5 ~ 10% of mixing oil quality, comprises emulsifying agent, antioxidant (preferred 2-6 dual-tert-butyl Pyrogentisinic Acid), oiliness improver (C10-14 higher fatty acid), rust-preventive agent (preferred alkenyl succinic acid) and dispersion agent (preferred divinyl imines).
Above-mentioned additive is conventional additive.The mass ratio of oil and water is (2-30): 100.
For a rolling technology for strong-texture Ni5W alloy base band industrialization, it is characterized in that, cold-rolled process comprises following point of three operations successively, roughing, finish rolling and finish to gauge.
Detailed rolling technology is respectively: the initial billet of (1) rough rolling process is the Ni5W alloy sheets through forge hot hot rolling after vacuum induction melting, roughing pass deformation is 5 ~ 12%, final deformation amount is 70 ~ 90%, operation of rolling lubricating fluid used is the rolling emulsion, and its water oil ratio is (20 ~ 30): 100; (2) finishing stands pass deformation is 4-6%, and final deformation amount is 90 ~ 95% of initial billet.Operation of rolling lubricating fluid used is the rolling emulsion, and its water oil ratio is (5 ~ 10): 100.(3) finish to gauge process pass deformation is 4 ~ 6%, and final deformation amount is 99% of initial billet.Operation of rolling lubricating fluid used is the rolling emulsion, and its water oil ratio is (2 ~ 5): 100.It is 90% of initial billet when above-mentioned roughing is different with the final deformation amount of finish rolling.
Cold-rolled process is preferred: duo mill roughing, large four-high mill finish rolling and little four-high mill finish to gauge.
The hybrid lubricant that the present invention forms using mineral oil, vegetables oil and additive as the rolling emulsion of industrialization strong-texture Ni5W alloy base band, and designs the rolling lubrication technique in strong-texture Ni5W alloy base band industrialization process.The strong-texture Ni5W alloy base band adopting this rolling lubrication technology to prepare has better surface smoothness and lower surfaceness, under identical rolling deformation amount and thermal treatment temp, after its rolling texture and thermal treatment, the content of cubic texture all improves.Indicating this rolling lubrication technology is that the industrialization of strong-texture Ni5W alloy base band provides favourable condition.
Accompanying drawing explanation
Fig. 1 is that cold rolling ODF schemes;
Fig. 2 is EBSD figure.
Embodiment
Below in conjunction with embodiment, the present invention will be further described, but the present invention is not limited to following examples.
Following additive: antioxidant is 2-6 dual-tert-butyl Pyrogentisinic Acid, oiliness improver is C10-14 higher fatty acid, and rust-preventive agent is alkenyl succinic acid, and dispersion agent is divinyl imines.
Comparative example 1
Ni5W alloy billet adopts unlubricated rolling, cold-rolled process roughing, finish rolling and in the stage of rolling all adopt pass deformation to be 5%, total variable is 99%.After unlubricated rolling, there is darker bundle trace on cold rolling base band surface, and surface smoothness is lower, and as shown in Figure 1, the content of cold rolling texture is 81.4% to its cold rolling ODF figure.By this cold rolling alloy base band at Ar/5%H
2in protective atmosphere, after 1100 DEG C of insulation 1h, the content of its cubic texture is 91%.
Comparative example 2
Ni5W alloy billet adopts lubrication and rolling, and in rolling emulsion, base oil is the mixing oil of machine oil and rapeseed oil, and the ratio of machine oil and rapeseed oil is 20% and 80%; The total amount of additive is 10%.In rolling emulsion, water oil ratio is 30%.Cold-rolled process roughing, finish rolling and in the stage of rolling all adopt pass deformation to be 10%, total variable is 99%.After lubrication and rolling, it is more shallow that trace is pricked on cold rolling base band surface, and surface smoothness is poor, and as shown in Figure 2, the content of cold rolling texture is 76% to its cold rolling ODF figure.By this cold rolling alloy base band at Ar/5%H
2in protective atmosphere, after 1100 DEG C of insulation 1h, the content of its cubic texture is 89%.
Comparative example 3
Ni5W alloy billet adopts lubrication and rolling, and in rolling emulsion, base oil is the mixing oil of machine oil and rapeseed oil, and the ratio of machine oil and rapeseed oil is 30% and 70%; The total amount of additive is 5%.In rolling emulsion, water oil ratio is 5%.Cold-rolled process roughing, finish rolling and in the stage of rolling all adopt pass deformation to be 10%, total variable is 99%.After lubrication and rolling, it is more shallow that trace is pricked on cold rolling base band surface, and surface smoothness is better, and as shown in Figure 1, the content of cold rolling texture is 94% to its cold rolling ODF figure.By this cold rolling alloy base band at Ar/5%H
2in protective atmosphere, after 1100 DEG C of insulation 1h, the content of its cubic texture is greater than 95%.
Embodiment 1
Ni5W alloy billet adopts lubrication and rolling, and in rolling emulsion, base oil is the mixing oil of machine oil and rapeseed oil, and the ratio of machine oil and rapeseed oil is 30% and 70%; Based on the total amount of additive oil 5%.Rough rolling process pass deformation is 12%, and final deformation amount is 70%.Operation of rolling lubricating fluid water oil ratio used is 30%.Finishing stands pass deformation is 4%, and final deformation amount is 95% of initial billet.Operation of rolling lubricating fluid water oil ratio used is 5%.Finish to gauge process pass deformation is 5%, and final deformation amount is 99% of initial billet.Operation of rolling lubricating fluid water oil ratio used is 2%.After lubrication and rolling, it is shallow that trace is pricked on cold rolling base band surface, and surface smoothness is good, and as shown in Figure 2, the content of cold rolling texture is 96% to its cold rolling ODF figure.By this cold rolling alloy base band in Ar/5%H2 protective atmosphere, after 1100 DEG C of insulation 1h, the content of its cubic texture is greater than 98%.
Embodiment 2
Ni5W alloy billet adopts lubrication and rolling, and rolling emulsion base oil is the mixing oil of white oil and rapeseed oil, and the ratio of mineral oil and vegetables oil is 30% and 70%; The total amount of additive is 5%.Rough rolling process pass deformation is 10%, and final deformation amount is 80%.Operation of rolling lubricating fluid water oil ratio used is 30%.Finishing stands pass deformation is 6%, and final deformation amount is 95% of initial billet.Operation of rolling lubricating fluid water oil ratio used is 10%.Finish to gauge process pass deformation is 4%, and final deformation amount is 97% of initial billet.Operation of rolling lubricating fluid water oil ratio used is 5%.After lubrication and rolling, it is shallow that trace is pricked on cold rolling base band surface, and surface smoothness is very good, and its cold rolling ODF figure is as shown in Fig. 2 (a), and the content of cold rolling texture is 95%.By this cold rolling alloy base band in Ar/5%H2 protective atmosphere, after 1100 DEG C of insulation 1h, the content of its cubic texture is greater than 98%.
Claims (3)
1. rolling emulsion is used for a rolling technology for strong-texture Ni5W alloy base band industrialization, and it is characterized in that, cold-rolled process comprises following three operations successively: roughing, finish rolling and finish to gauge;
The initial billet of rough rolling process is the Ni5W alloy sheets through forge hot hot rolling after vacuum induction melting, roughing pass deformation is 5 ~ 12%, final deformation amount is 70 ~ 90%, and operation of rolling lubricating fluid used is the rolling emulsion, and its water oil ratio is (20 ~ 30): 100; Finishing stands pass deformation is 4-6%, and final deformation amount is 90 ~ 95% of initial billet, and operation of rolling lubricating fluid used is the rolling emulsion, and its water oil ratio is (5 ~ 10): 100; Finish to gauge process pass deformation is 4 ~ 6%, and final deformation amount is 99% of initial billet; Operation of rolling lubricating fluid used is the rolling emulsion, and its water oil ratio is (2 ~ 5): 100, is 90% of initial billet when above-mentioned roughing is different with the final deformation amount of finish rolling; The base oil of rolling emulsion is the mixing oil of mineral oil and vegetables oil, and the mass percentage ratio that mineral oil and vegetables oil account for mixing oil is respectively 20% ~ 40% and 60% ~ 80%; The total mass of additive is 5 ~ 10% of mixing oil quality, comprises emulsifying agent, antioxidant, oiliness improver, rust-preventive agent and dispersion agent.
2. rolling technology according to claim 1, is characterized in that, duo mill roughing, large four-high mill finish rolling and little four-high mill finish to gauge.
3. rolling technology according to claim 1, is characterized in that, antioxidant is 2-6 dual-tert-butyl Pyrogentisinic Acid, oiliness improver is C10-14 higher fatty acid, and rust-preventive agent is alkenyl succinic acid, and dispersion agent is divinyl imines.
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