CN103398884B - The hot method for embedding of thin specification wire metallographic sample preparation - Google Patents
The hot method for embedding of thin specification wire metallographic sample preparation Download PDFInfo
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- CN103398884B CN103398884B CN201310324959.6A CN201310324959A CN103398884B CN 103398884 B CN103398884 B CN 103398884B CN 201310324959 A CN201310324959 A CN 201310324959A CN 103398884 B CN103398884 B CN 103398884B
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Abstract
The present invention relates to a kind of hot method for embedding of thin specification wire metallographic sample preparation, it is characterized in that: described method comprises following technological process: by the thin specification wire sample marshalling of many certain lengths, be pasted onto around the thick specification wire identical or close with thin specification wire material, then the combination of thin specification wire and thick specification wire is put into the pointing machine with function of temperature control, and inlay powder toward adding in pointing machine, open pointing machine by thick specification wire, thin specification wire with inlay powder heat and be set into an overall metallographic specimen.The inventive method can ensure thin specification wire samples vertical when inlaying, tiny at measuring samples diameter, and when measuring large, simple to operate, Detection results is fast and Detection results is good.
Description
Technical field
The present invention relates to a kind of hot method for embedding of thin specification wire metallographic sample preparation.This metallographic sample preparation is mainly used in observing the xsect of thin specification wire (diameter is less than 1.0mm) and testing the section hardness of thin specification wire, belongs to metal material physical test detection technique field.
Background technology
Wire rope is twisted stock by multilayer steel wire, then centered by wire rope core, be twisted spiral helicine rope by some stocks.In material carrying machine, for promoting, traction, tension and carrying, be widely used in the aspects such as elevator, aviation, oil, bridge.At present more and more higher to the quality requirements of wire rope, therefore on the quality control of every root steel wire for ensureing that the quality of wire rope has important impact.Wire cross-section surface hardness, tissue and thickness of coating are the principal elements affecting wire quality, and usual way is inlayed by steel wire to carry out xsect grinding and polishing, and method for embedding one uses cold inlaying, but the edge sample cycle is long, and efficiency is low; Two is use unit clamp, but this fixture belongs to single use, and is foreign import, and cost is very high, only uses on a small quantity in scientific research, can not be used in production testing on a large scale.Due to diameter, to be less than 1.0mm steel wire too thin, xsect is less, is difficult to ensure that steel wire is vertical when inlaying, can cause after grinding and polishing the circularity in wire cross-section face and flatness impaired, same sample also there will be the low situation of one group of high one group of steel wire of steel wire, affects the accuracy of testing result.The particularly contour performance wire rope of elevator, detects the metallographic structure in wire cross-section face and microhardness and has high requirement, therefore invents the method how thin specification wire of quick solution is inlayed.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, a kind of hot method for embedding that can ensure the thin specification wire metallographic sample preparation of thin specification wire samples vertical when inlaying is provided.
The object of the present invention is achieved like this: a kind of hot method for embedding of thin specification wire metallographic sample preparation, described method comprises following technological process: by the thin specification wire sample marshalling of many certain lengths, be pasted onto around the thick specification wire identical or close with thin specification wire material, then the combination of thin specification wire and thick specification wire is put into the pointing machine with function of temperature control, and inlay powder toward adding in pointing machine, open pointing machine by thick specification wire, thin specification wire with inlay powder heat and be set into an overall metallographic specimen.
Described method comprises following processing step:
Step one, make thin specification wire sample
Intercept thin specification wire to be measured, the end face emery wheel of the thin specification wire after intercepting or sand papering are become plane, and remove burr, make thin specification wire sample, this thin specification wire sample diameter is less than 1.0mm, and length is at 5 ~ 10mm;
Step 2, make thick specification wire sample
Choose the thick specification wire identical or close with thin specification wire material to be measured, cross section be circular or rectangle all can, polished its one end, make thick specification wire sample, this thick specification wire sample diameter 4 ~ 8mm, length is at 8 ~ 12mm;
Step 3, stickup
Many that step one are made thin specification wire sample marshallings are pasted onto around the thick specification wire sample of step 2 making, make the end face that thin specification wire samples vertical polishes in thick specification wire sample, and make thin specification wire sample polish end face and thick specification wire sample to polish end face concordant;
Step 4, edge sample
The end face polished of the combination of the thin specification wire sample described in step 3 and thick specification wire sample is put into the pointing machine with function of temperature control down, and inlay powder toward adding in pointing machine, open pointing machine by thick specification wire, thin specification wire with inlay powder heat and be set into an overall metallographic specimen.
Compared with prior art, the invention has the beneficial effects as follows:
1, thin specification wire samples vertical can be ensured when inlaying, can not cause after grinding and polishing the circularity in wire cross-section face and flatness impaired, same sample there will not be the situation that one group of high one group of steel wire of steel wire is low, and the accuracy of testing result is high.
What 2, rapidly and efficiently can complete thin specification wire xsect inlays sample preparation, for follow-up metallographic observation or micro-hardness testing are provided convenience.
3, the sample detection of all thin specification wire xsects is suitable for.
4, tiny at measuring samples diameter, when measuring large, simple to operate, Detection results is fast and Detection results is good.
Accompanying drawing explanation
Fig. 1 is the operation chart of the hot method for embedding of the present invention's thin specification wire metallographic sample preparation.
Reference numeral in figure:
Thick specification wire sample 1, thin specification wire sample 2, inlay powder 3.
Embodiment
It is the operation chart of the hot method for embedding of the present invention's thin specification wire metallographic sample preparation see Fig. 1, Fig. 1.As seen from Figure 1, the hot method for embedding of the present invention's thin specification wire metallographic sample preparation, described method comprises following processing step:
Step one, make thin specification wire sample
Intercept thin specification wire to be measured, the end face (xsect) of the thin specification wire after intercepting is become plane with emery wheel or sand papering, and remove burr, make thin specification wire sample, this thin specification wire sample diameter is less than 1.0mm, and length is at 5 ~ 10mm;
Step 2, make thick specification wire sample
Choose the thick specification wire identical or close with thin specification wire material to be measured, cross section be circular or rectangle all can, polished its one end, make thick specification wire sample, this thick specification wire sample diameter 4 ~ 8mm, length is at 8 ~ 12mm;
Step 3, stickup
Many that step one are made thin specification wire sample marshallings are pasted onto around the thick specification wire sample of step 2 making, make the end face that thin specification wire samples vertical polishes in thick specification wire sample, and make thin specification wire sample polish end face and thick specification wire sample to polish end face concordant;
Step 4, edge sample
The end face polished of the combination of the thin specification wire sample described in step 3 and thick specification wire sample is put into the pointing machine with function of temperature control down, and inlay powder toward adding in pointing machine, open pointing machine by thick specification wire, thin specification wire with inlay powder heat and be set into an overall metallographic specimen.
Take out heat inlay after metallographic specimen, undertaken roughly grinding by metallographic sample preparation step, fine grinding, polishing and corrosion, carry out required metallographic structure detection or microhardness detects.
Claims (1)
1. the hot method for embedding of one kind thin specification wire metallographic sample preparation, it is characterized in that: described method comprises following technological process: by the thin specification wire sample marshalling of many certain lengths, be pasted onto around the thick specification wire identical with thin specification wire material, then the combination of thin specification wire and thick specification wire is put into the pointing machine with function of temperature control, and inlay powder toward adding in pointing machine, open pointing machine by thick specification wire, thin specification wire with inlay powder heat and be set into an overall metallographic specimen; Described method comprises following processing step:
Step one, make thin specification wire sample
Intercept thin specification wire to be measured, the end face emery wheel of the thin specification wire after intercepting or sand papering are become plane, and remove burr, make thin specification wire sample, this thin specification wire sample diameter is less than 1.0mm, and length is at 5 ~ 10mm;
Step 2, make thick specification wire sample
Choose the thick specification wire identical with thin specification wire material to be measured, cross section is circular or rectangle, and polished its one end, make thick specification wire sample, this thick specification wire sample diameter 4 ~ 8mm, length is at 8 ~ 12mm;
Step 3, stickup
Many that step one are made thin specification wire sample marshallings are pasted onto around the thick specification wire sample of step 2 making, make the end face that thin specification wire samples vertical polishes in thick specification wire sample, and make thin specification wire sample polish end face and thick specification wire sample to polish end face concordant;
Step 4, edge sample
The end face polished of the combination of the thin specification wire sample described in step 3 and thick specification wire sample is put into the pointing machine with function of temperature control down, and inlay powder toward adding in pointing machine, open pointing machine by thick specification wire, thin specification wire with inlay powder heat and be set into an overall metallographic specimen.
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105910856B (en) * | 2016-04-06 | 2018-08-24 | 哈尔滨飞机工业集团有限责任公司 | A kind of preparation method of fine wire metallographic specimen |
| CN106769317A (en) * | 2016-12-30 | 2017-05-31 | 内蒙古包钢钢联股份有限公司 | The method for inlaying thin plate metallographic specimen |
| CN109470543A (en) * | 2018-12-25 | 2019-03-15 | 英利能源（中国）有限公司 | The hot method for embedding of metallographic sample |
| CN109708937B (en) * | 2018-12-28 | 2021-07-13 | 南京钢铁股份有限公司 | Inlaying method suitable for products with diameter or thickness smaller than 2mm |
| CN109974635B (en) * | 2019-01-29 | 2020-11-24 | 江苏省沙钢钢铁研究院有限公司 | Method for measuring thickness of steel wire coating |
| CN109839301A (en) * | 2019-03-13 | 2019-06-04 | 国家电网有限公司 | A kind of steel twists the detection method of aerial earth wire extent of corrosion |
| CN110954382A (en) * | 2019-12-03 | 2020-04-03 | 镇江耐丝新型材料有限公司 | Preparation method of solid-liquid multiphase metallographic sample with superfine steel wire cross section |
| CN111487113B (en) * | 2020-04-08 | 2023-04-28 | 西安泰力松新材料股份有限公司 | Metallographic sample preparation inlaying tool and inlaying method |
| CN111380732A (en) * | 2020-04-22 | 2020-07-07 | 无锡隆达金属材料有限公司 | Macroscopic hardness test method for copper-zinc alloy thin-walled tube |
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| CN100435306C (en) * | 2007-01-29 | 2008-11-19 | 南京时恒电子科技有限公司 | Method of spot welding for minitype sensor |
| JP2008241656A (en) * | 2007-03-29 | 2008-10-09 | Furukawa Electric Co Ltd:The | Manufacturing method of solder test strip and solder test strip |
| CN102252888B (en) * | 2011-06-30 | 2012-10-10 | 首钢总公司 | Preparation and tissue display method of ultralow carbon ultrathin cold heading steel wire metallographical sample |
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