CN104846251A - Ni-TiO2-Mo nano weld layer and preparation method - Google Patents
Ni-TiO2-Mo nano weld layer and preparation method Download PDFInfo
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- CN104846251A CN104846251A CN201510233191.0A CN201510233191A CN104846251A CN 104846251 A CN104846251 A CN 104846251A CN 201510233191 A CN201510233191 A CN 201510233191A CN 104846251 A CN104846251 A CN 104846251A
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Abstract
The invention relates to a Ni-TiO2-Mo nano weld layer and a preparation method thereof. The Ni-TiO2-Mo nano weld layer comprises the components by mass percent: 26-41 percent of Ni, 51-73 percent of TiO2, 4-6 percent of Mo, 0.5-1.5 percent of Al2O3 and 0.5-1.5 percent of additive. The preparation method comprises the following steps: preparing nanospheres from Ni, TiO2, Mo, B and Al2O3 respectively by adopting a gas atomization method; mixing the prepared nanospheres uniformly to prepare Ni-TiO2-Mo nano welding rods; finally welding to the surface of a part to form the Ni-TiO2-Mo nano weld layer. According to the invention, the nano material is formed into a nano weld layer on the surface of the part by using the welding technology, the bonding strength of the nano weld layer is greatly improved, not only can a worn part be repaired, but also the usability of the part is improved by the high abrasive resistance and high corrosion resistance of the nano material, and the service life of the part is prolonged.
Description
Technical field
The present invention relates to submerged arc welding technical field, specifically a kind of Ni-TiO
2-Mo nanometer layer and preparation method thereof.
Background technology
In mechanical connection, the impact of the serviceability amount of being worn of component of machine, mechanical wear is also one of inevitable phenomenon, for the component worn and torn, change new component by the mode of replacement mostly, this mode makes maintenance cost higher, and can cause the wasting of resources; Also there is the method adopting and repair, namely adopt welding to increase material, to fill up the abrasion loss of component.At present, the layer that factory often adopts is all utilize common welding rod to be formed on the surface of component by the mode of welding, general layer quality is harder, but have then due to internal composition collocation unreasonable, the poor bonding strength of layer self formed, causes layer and component easily separated, initiation sealing-off, have influence on the performance of component, also not to making moderate progress the work-ing life of component.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of Ni-TiO
2-Mo nanometer layer and preparation method thereof.
Technical problem to be solved by this invention realizes by the following technical solutions:
A kind of Ni-TiO
2-Mo nanometer layer, comprises the component of following mass percent:
Ni accounts for 26% ~ 41%, TiO
2account for 51% ~ 73%, Mo accounts for 4% ~ 6%, Al
2o
3account for 0.5% ~ 1.5%, additive accounts for 0.5% ~ 1.5%;
Described additive is B.
The present invention adopts Al
2o
3the bonding strength of material monolithic can be improved, reduce void content; TiO
2quality own is comparatively hard, and stable chemical performance, to ensure the stability after making nanometer layer; B itself has higher hardness and high-temperature stability, and the quality of layer is improved.
The best in quality per-cent of described component is: Ni accounts for 33%, TiO
2account for 60%, Mo accounts for 5%, Al
2o
3account for 1%, B and account for 1%.
A kind of Ni-TiO
2the preparation method of-Mo nanometer layer, described method steps is as follows: described Ni, TiO
2, Mo, B, Al
2o
3all adopt aerosolization legal system to obtain nanometer ball, then Homogeneous phase mixing make Ni-TiO
2-Mo nano welding rod, is finally welded on component surface and forms Ni-TiO
2-Mo nanometer layer.
The invention has the beneficial effects as follows: nano material utilizes the technology of welding to form nanometer layer at component surface by the present invention, greatly improve the bonding strength of nanometer layer, not only achieve the reparation to the component that wear and tear, also utilize the high-wearing feature of nano material self, use properties that high corrosion resistance improves component, extend the work-ing life of component.
Embodiment
The technique means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below the present invention being set forth further.
Embodiment one:
A kind of Ni-TiO
2-Mo nanometer layer, comprises the component of following mass percent: Ni accounts for 33%, TiO
2account for 60%, Mo accounts for 5%, Al
2o
3account for 1%, B and account for 1%.
A kind of Ni-TiO
2the preparation method of-Mo nanometer layer, described method steps is as follows: described Ni, TiO
2, Mo, B, Al
2o
3all adopt aerosolization legal system to obtain nanometer ball, then Homogeneous phase mixing make Ni-TiO
2-Mo nano welding rod, is finally welded on component surface and forms Ni-TiO
2-Mo nanometer layer.
Embodiment two:
A kind of Ni-TiO
2-Mo nanometer layer, comprises the component of following mass percent:
Ni accounts for 26%, TiO
2account for 69%, Mo accounts for 4%, Al
2o
3account for 0.5%, B and account for 0.5%.
A kind of Ni-TiO
2the preparation method of-Mo nanometer layer, described method steps is as follows: described Ni, TiO
2, Mo, B, Al
2o
3all adopt aerosolization legal system to obtain nanometer ball, then Homogeneous phase mixing make Ni-TiO
2-Mo nano welding rod, is finally welded on component surface and forms Ni-TiO
2-Mo nanometer layer.
Embodiment three:
A kind of Ni-TiO
2-Mo nanometer layer, comprises the component of following mass percent:
Ni accounts for 40%, TiO
2account for 51%, Mo accounts for 6%, Al
2o
3account for 1.5%, B and account for 1.5%.
A kind of Ni-TiO
2the preparation method of-Mo nanometer layer, described method steps is as follows: described Ni, TiO
2, Mo, B, Al
2o
3all adopt aerosolization legal system to obtain nanometer ball, then Homogeneous phase mixing make Ni-TiO
2-Mo nano welding rod, is finally welded on component surface and forms Ni-TiO
2-Mo nanometer layer.
Embodiment four:
A kind of Ni-TiO
2-Mo nanometer layer, comprises the component of following mass percent: Ni accounts for 29%, TiO
2account for 65%, Mo accounts for 4%, Al
2o
3account for 1%, B and account for 1%;
A kind of Ni-TiO
2the preparation method of-Mo nanometer layer, described method steps is as follows: described Ni, TiO
2, Mo, B, Al
2o
3all adopt aerosolization legal system to obtain nanometer ball, then Homogeneous phase mixing make Ni-TiO
2-Mo nano welding rod, is finally welded on component surface and forms Ni-TiO
2-Mo nanometer layer.
In order to prove actual effect of the present invention, the special submerged arc welding technology that adopts has prepared Ni-TiO on roll
2-Mo nanometer layer, after embodiment one to embodiment four being implemented, tests the bonding strength of layer, microhardness, void content and abrasive wear resistance respectively, and utilizes XRD to carry out Phase Structure Analysis to layer.Experimental result is as follows:
| Numbering | Porosity (AREA%) | Bonding strength (MPa) | Microhardness (HV) |
| Embodiment one | 0.219 | 88.9 | 687 |
| Embodiment two | 0.236 | 82.3 | 654 |
| Embodiment three | 0.265 | 85.7 | 585 |
| Embodiment four | 0.252 | 87.8 | 646 |
| Mean value | 0.243 | 86.2 | 643 |
| Comparative group | 0.434 | 69.3 | 576 |
Wherein, comparative group is common alloy wire.
From above-mentioned Experimental comparison's data, the present invention adopts nano material to form nanometer layer after welding, compared to the layer that traditional welding rod is made, there is higher bonding strength and microhardness, porosity, the performance of component can be made to be improved, finally to reach the object in elongated component work-ing life.
More than show and describe ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not by the restriction of step embodiment; the just principle of the present invention described in step embodiment and specification sheets; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (3)
1. a Ni-TiO
2-Mo nanometer layer, is characterized in that: the component comprising following mass percent:
Ni accounts for 26% ~ 41%, TiO
2account for 51% ~ 73%, Mo accounts for 4% ~ 6%, Al
2o
3account for 0.5% ~ 1.5%, additive accounts for 0.5% ~ 1.5%;
Described additive is B.
2. a kind of Ni-TiO according to claim 1
2-Mo nanometer layer, is characterized in that: the best in quality per-cent of described component is: Ni accounts for 33%, TiO
2account for 60%, Mo accounts for 5%, Al
2o
3account for 1%, B and account for 1%.
3. a kind of Ni-TiO according to claim 1
2the preparation method of-Mo nanometer layer, is characterized in that: described method steps is as follows:
Described Ni, TiO
2, Mo, B, Al
2o
3all adopt aerosolization legal system to obtain nanometer ball, then Homogeneous phase mixing make Ni-TiO
2-Mo nano welding rod, is finally welded on component surface and forms Ni-TiO
2-Mo nanometer layer.
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|---|---|---|---|
| CN201510233191.0A CN104846251A (en) | 2015-05-09 | 2015-05-09 | Ni-TiO2-Mo nano weld layer and preparation method |
Publications (1)
| Publication Number | Publication Date |
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| CN104846251A true CN104846251A (en) | 2015-08-19 |
Family
ID=53846230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510233191.0A Pending CN104846251A (en) | 2015-05-09 | 2015-05-09 | Ni-TiO2-Mo nano weld layer and preparation method |
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Citations (7)
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|---|---|---|---|---|
| JPS5074542A (en) * | 1973-11-05 | 1975-06-19 | ||
| CN102513741A (en) * | 2011-12-27 | 2012-06-27 | 安泰科技股份有限公司 | Two-phase stainless steel welding electrode and manufacturing method thereof |
| CN103205667A (en) * | 2013-04-03 | 2013-07-17 | 北京工业大学 | Thermal spraying composite coating material for piston ring and preparation method of thermal spraying composite coating material |
| CN103949796A (en) * | 2014-05-05 | 2014-07-30 | 常州新德焊材科技有限公司 | Austenitic stainless steel flux-cored wire having no oxidation tint on surface of welding joint |
| CN104372337A (en) * | 2014-10-30 | 2015-02-25 | 安徽鼎恒再制造产业技术研究院有限公司 | Ni-TiO2 nano coating and preparation method thereof |
| CN104526188A (en) * | 2014-12-24 | 2015-04-22 | 洛阳双瑞特种合金材料有限公司 | Seamless flux-cored wire with postwelding stress relieving heat treatment |
| CN104858569A (en) * | 2015-05-09 | 2015-08-26 | 芜湖鼎瀚再制造技术有限公司 | Ni-TiO2-Mo nano weld layer for welding and preparing method thereof |
-
2015
- 2015-05-09 CN CN201510233191.0A patent/CN104846251A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS5074542A (en) * | 1973-11-05 | 1975-06-19 | ||
| CN102513741A (en) * | 2011-12-27 | 2012-06-27 | 安泰科技股份有限公司 | Two-phase stainless steel welding electrode and manufacturing method thereof |
| CN103205667A (en) * | 2013-04-03 | 2013-07-17 | 北京工业大学 | Thermal spraying composite coating material for piston ring and preparation method of thermal spraying composite coating material |
| CN103949796A (en) * | 2014-05-05 | 2014-07-30 | 常州新德焊材科技有限公司 | Austenitic stainless steel flux-cored wire having no oxidation tint on surface of welding joint |
| CN104372337A (en) * | 2014-10-30 | 2015-02-25 | 安徽鼎恒再制造产业技术研究院有限公司 | Ni-TiO2 nano coating and preparation method thereof |
| CN104526188A (en) * | 2014-12-24 | 2015-04-22 | 洛阳双瑞特种合金材料有限公司 | Seamless flux-cored wire with postwelding stress relieving heat treatment |
| CN104858569A (en) * | 2015-05-09 | 2015-08-26 | 芜湖鼎瀚再制造技术有限公司 | Ni-TiO2-Mo nano weld layer for welding and preparing method thereof |
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Application publication date: 20150819 |
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