CN1218845A - 敷钛锌板及制造工艺 - Google Patents
敷钛锌板及制造工艺 Download PDFInfo
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- 239000010936 titanium Substances 0.000 title claims abstract description 43
- 229910052719 titanium Inorganic materials 0.000 title claims abstract description 42
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 239000011701 zinc Substances 0.000 title claims abstract description 31
- 229910052725 zinc Inorganic materials 0.000 title claims abstract description 30
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- 238000000576 coating method Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000005516 engineering process Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 21
- 239000011248 coating agent Substances 0.000 claims description 13
- 238000002161 passivation Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000007747 plating Methods 0.000 claims description 4
- 238000010008 shearing Methods 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 239000000758 substrate Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 description 5
- 238000005269 aluminizing Methods 0.000 description 4
- 239000007769 metal material Substances 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000001458 anti-acid effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 235000012736 patent blue V Nutrition 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
- C23C28/023—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material only coatings of metal elements only
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
- C23C28/023—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material only coatings of metal elements only
- C23C28/025—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material only coatings of metal elements only with at least one zinc-based layer
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
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- Organic Chemistry (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Laminated Bodies (AREA)
Abstract
本发明涉及一种敷钛锌板及制造工艺,其构成是在基材钢板3的一面依次镀有锌薄层2和钛薄层1,在另一面依次镀有锌薄层4和钛薄层5,其制造工艺是在STO3Z生产原理及流程的基础上,加上真空炉敷钛工艺,即采用电子技术在(1.8—3)×10－3真空炉中进行,电压调整在100—180V,电流为40—70A,控制温度200—220℃,真空炉旋转速度为3转/分钟,旋转时间5—20分钟。本发明具有表面强度高,延伸率好,耐腐蚀,外观美观,经济实用等优点。
Description
本发明涉及一种广泛用于电力、化工、家电、汽车等行业的新型金属材料——敷钛锌板及制造工艺。
目前，国内的电力、化工等行业生产的产品中所使用的金属材料多为普通钢板，其表面处理仍然采用传统的钢板弯曲、表面除锈、刷底漆、喷面漆等落后工艺，不但存在环境污染，生产周期长、工序多、成本高的致命缺陷，同时也不能从根本上解决防止锈蚀，延长产品使用寿命的问题，致于由金属材料本身的外观质量不足而导致的产品外观差异也成为一大难题。随着中国经济改革开放和市场经济的形成，发达国家具有新型结构的金属材料和先进技术打入中国市场，取代了中国落后的生产工艺及劣质产品，产生了一定的积极效果。如敷铝锌板的大量引进就是一例。但是在有关行业的实际使用中，认为这种材料仍存在以下性能不高的技术缺陷：第一，由于表面为镀铝，故强度低，易造成表面划痕；第二，材料延伸率低，造成产品折边后出现微观裂纹，甚至部分出现用肉眼清晰可见的裂纹及铝金属脱落的现象，这种情况，往往可能是工艺技术缺陷而致；第三，耐酸碱腐蚀性差，因材料表面敷铝，除强度低外，受外界酸碱侵蚀而形成黑色氢氧化物，影响产品的外观美观性；第四，材料价格高，使用不是最经济。
本发明的发明目的正是在于克服上述背景技术的不足而提供一种材料性能优异，可将几种单体金属材料优势集于一体的，即表面强度和延伸率高，同时表面耐酸碱腐蚀，外观美观，经济实用的敷钛锌板及制造工艺。
本发明的发明目的可以通过以下技术方案得以实现：从结构上来说它由钛薄层1、锌薄层2、基材钢板3、锌薄层4、钛薄层5结合组成一体；即在基材钢板3的一面依次镀有锌薄层2和钛薄层1，而在基材钢板3的另一面依次镀有锌薄层4和钛薄层5。制造加工敷钛锌板的制造工艺不仅包含钢卷入、口开卷-焊接-入口活套、预热-还原-冷却-镀锌-镀锌量控制-钝化、光制-拉矫-卷取的工艺流程，而且还包括在完成卷取工艺之后即进行开卷除油-剪切、清洗-真空加热(控制电压、电流)-真空镀钛膜-出炉-敷膜包装出成品的工艺过程。且成品的钛薄层1、5均为每平方米30-33克，成品的锌薄层2、4均为每平方米280-340g。真空镀钛膜工艺是采用电子技术在(1.8-3)×10-3真空炉中进行，同时电压调整在100-180V之间，电流调整为40-70A，控制温度在200-220℃左右，真空炉旋转速度为3转/分钟，旋转时间5-20分钟。
本发明与现有技术相比的优点首先是材料的机械、化学等各项技术性能指标得到较大的提高和改善，根据实验结果分析见下表：
一、机械性能：
| 牌 号 | 厚度 | 抗拉强度 | 伸长率％≥ | 表面结构 | 钛层弯曲试验时弯心直径 | 杯实值 |
| ssto2zTi | 2mm | 270-500 | -- | 正常锌化 | 0 | -- |
| ssto3zTi | 2mm | 270-420 | 24 | 正常锌化 | 0 | 10.5mm |
二、化学性能：
1、敷着强度好，因整个工艺过程均表现为两种金属再结晶的过程，两种材料金属离子的相互渗透，形成结合层，故敷着强度极好，可以任意成型都不会脱层。
2、防腐性强，原因在于材料结构表面敷钛，而钛极易形成钝化层，钝化电位高达20V，而不锈钢仅为0.25V(钛是不锈钢的80倍)，故良好的钝化层的生成和修复能力，使材料具有很好的抗酸碱腐蚀能力。根据试验测得其在空气中的年腐蚀率，常温下是0mm/年，在185℃以上时0.000585mm/年。同时它还具有银白色的光泽和很好的亮度使产品外观美观，且价格低，使用经济实惠等优点。
附图及图面说明：
图1为本发明的敷钛锌板的结构示意图；
图2为本发明的敷钛锌板生产工艺流程方框图；
其中：
1、5--钛薄层 2、4--锌薄层
3--基材钢板
图3为本发明二种材料结合的微观形象示意图；即钛薄层与基材镀锌钢板两种金属离子的结合示意。
实施例：制造敷钛锌板的工艺流程可参照STO3Z的生产流程及原理，加上真空炉敷钛工艺及敷膜的技术参数即可完成。本说明书的第五部分并结合附图1--3已经描述了本发明的实施例，故这里不再重复。现结合敷钛板的工艺流程框图进一步详述如下：冷轧后的钢板在立式热镀锌机组中，经过加热，再结晶退火、镀锌、钝化、拉矫、敷钛后制成敷钛锌板。以生产厚度为2mm敷钛锌板为例：
预热：用煤气直接加热去除钢板上残余乳化液，使其表面生成天兰色氧化膜。
还原：钢板在充满保护气(H2+N2)炉中进行再结晶，退火，提高塑性，同时钢板表面还原成海绵铁。
冷却：用保护气体将钢板冷却到450-470℃。
真空镀钛薄膜：镀锌板通过除油、洗涤、烘干后，进入真空炉，抽真空在(1.8-3.0)×10-3真空炉中进行，同时调整电压和电流，最佳工艺参数是：真空度2.5×10-3、电压120V、电流强度60A，被镀板材在真空炉中以每分钟3转的速度旋转10--15分钟，出炉冷却后敷膜，然后以5T/包的包装出厂。
本发明的主要化学成分以SSTO2Ti为例：
C：0.55％ Mn：22％ P：0.012％ S：0.010％
Ti：31.5g/m2 Zn：320g/m2
当材料厚度为1.5mm时，杯突值试验结果为9.9mm。
本发明可广泛的运用于化工、家电、办公机械等技术领域，是钛材和不锈钢在某些领域较好的替代品，也是进口产品敷铝锌板的理想代用品。
Claims (4)
1、一种敷钛锌板，其特征在于：由钛薄层(1)、锌薄层(2)、基材钢板(3)、锌薄层(4)、钛簿层(5)结合组成一体；即在基材钢板(3)的一面依次镀有锌薄层(2)和钛薄层(1)，在另一面依次镀有锌薄层(4)和钛薄层(5)。
2、根据权利要求1所述的敷钛锌板，其特征在于：钛薄层(1)、(5)均为每平方米30-3 3克，锌薄层(2)、(4)均为每平方米280-340克。
3、一种制造权利要求1所述的敷钛锌板的制造工艺，它包含钢卷入口、开卷-焊接-入口活套、预热-还原-冷却-镀锌-镀锌量控制-钝化、光制-拉矫-卷取的工艺流程；其特征在于：在完成卷取工艺之后即进行开卷除油-剪切、清洗-真空加热并控制电压、电流-真空镀钛膜-出炉-敷膜包装。
4、根据权利要求3所述的敷钛锌板的制造工艺，其特征在于：真空镀钛膜工艺是采用电子技术在(1.8-3)×10-3真空炉中进行，电压调整在100-180V，电流为40-70A，控制温度200-220℃，真空炉旋转速度为3转/分钟，旋转时间5-20分钟。
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| CN 97108541 CN1218845A (zh) | 1997-11-28 | 1997-11-28 | 敷钛锌板及制造工艺 |
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| CN 97108541 CN1218845A (zh) | 1997-11-28 | 1997-11-28 | 敷钛锌板及制造工艺 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105431564A (zh) * | 2013-08-01 | 2016-03-23 | 安赛乐米塔尔研发有限公司 | 设置有锌涂层的钢板 |
| CN107800079A (zh) * | 2017-10-30 | 2018-03-13 | 惠州市和宏电线电缆有限公司 | 一种镀钛双面剥芯线刀 |
| US11525182B2 (en) | 2013-08-01 | 2022-12-13 | Arcelormittal | Painted steel sheet provided with a zinc coating |
-
1997
- 1997-11-28 CN CN 97108541 patent/CN1218845A/zh active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105431564A (zh) * | 2013-08-01 | 2016-03-23 | 安赛乐米塔尔研发有限公司 | 设置有锌涂层的钢板 |
| US11525182B2 (en) | 2013-08-01 | 2022-12-13 | Arcelormittal | Painted steel sheet provided with a zinc coating |
| CN107800079A (zh) * | 2017-10-30 | 2018-03-13 | 惠州市和宏电线电缆有限公司 | 一种镀钛双面剥芯线刀 |
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