JPH045567A - Analyzing means and analyzing method for inclusion in molten metal - Google Patents
Analyzing means and analyzing method for inclusion in molten metalInfo
- Publication number
- JPH045567A JPH045567A JP2107048A JP10704890A JPH045567A JP H045567 A JPH045567 A JP H045567A JP 2107048 A JP2107048 A JP 2107048A JP 10704890 A JP10704890 A JP 10704890A JP H045567 A JPH045567 A JP H045567A
- Authority
- JP
- Japan
- Prior art keywords
- inclusions
- molten metal
- wire mesh
- frame
- analyzing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 42
- 239000002184 metal Substances 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 11
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 16
- 239000010935 stainless steel Substances 0.000 claims abstract description 9
- 238000001914 filtration Methods 0.000 abstract 1
- 230000000007 visual effect Effects 0.000 abstract 1
- 238000004458 analytical method Methods 0.000 description 19
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000011179 visual inspection Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Investigating And Analyzing Materials By Characteristic Methods (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
この発明は、溶融金属中の介在物分析具および分析方法
に関する。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application This invention relates to an instrument and method for analyzing inclusions in molten metal.
従来の技術
たとえば、溶融アルミニウム中には、八Ω２０３ 、Ｍ
ｇ Ｏ−Ａ ＩＩ’ ２ Ｍ ｇ ０４などの金属酸
化物からなる介在物や、炉材耐火物の破片からなる介在
物が含まれているので、溶融アルミニウムに、これらの
介在物を除去する種々の処理か施されており、介在物除
去処理の効果を評価するために、通常、溶融アルミニウ
ム中の介在物の分析が行われている。Conventional technology For example, in molten aluminum, 8Ω203, M
Since inclusions made of metal oxides such as g O-A II' 2 M g 04 and inclusions made of fragments of furnace material refractories are included, molten aluminum is treated with various methods to remove these inclusions. In order to evaluate the effectiveness of inclusion removal treatment, inclusions in molten aluminum are usually analyzed.
従来、上記分析は、溶融アルミニウムを、多孔質セラミ
ックや多孔質黒鉛からなるフィルタに通し、操作の前後
のフィルタの重量を測定することにより、フィルタによ
り濾別された介在物の量を決定したり、一定量の溶融金
属か通過するのに要する時間を測定することによって上
記介在物量を決定して行っていた。Traditionally, the above analysis involves passing molten aluminum through a filter made of porous ceramic or porous graphite and measuring the weight of the filter before and after the operation to determine the amount of inclusions filtered out by the filter. The amount of inclusions was determined by measuring the time required for a certain amount of molten metal to pass through.
考案が解決しようとする課題
しかしながら、従来の方法では、濾別された介在物がフ
ィルタの孔内に入り込むので、介在物の大きさや、数の
定量分析ができないという問題がある。Problems to be Solved by the Invention However, in the conventional method, the filtered inclusions enter the pores of the filter, so there is a problem in that the size and number of inclusions cannot be quantitatively analyzed.
この発明の目的は、上記問題を解決した溶融金属中の介
在物量分析具および分析方法を提供することにある。An object of the present invention is to provide a tool and method for analyzing the amount of inclusions in molten metal that solves the above problems.
課題を解決するための手段
この発明による溶融金属中の介在物分析具は、ステンレ
ス鋼製枠と、枠に張られたステンレス鋼製金網とを備え
ており、金網の網目の大きさが、５０〜１０００μｍと
なされているものである。Means for Solving the Problems The instrument for analyzing inclusions in molten metal according to the present invention includes a stainless steel frame and a stainless steel wire mesh stretched over the frame, and the mesh size of the wire mesh is 50. ~1000 μm.
上記において、ステンレス鋼製の金網の網目の大きさを
５０〜１０００μｍの範囲内に限定した理由は、上記範
囲の下限値未満であると溶融金属が金網を通過しにくく
、しかも下限値未満とするためには、金網を構成する線
材の太さが細くなって溶融金属と反応して溶解するおそ
れがあるからである。また、上限値を越えると介在物が
網目を通過してこれを濾別することができないからであ
る。In the above, the reason why the mesh size of the stainless steel wire mesh is limited to within the range of 50 to 1000 μm is that if it is less than the lower limit of the above range, it will be difficult for molten metal to pass through the wire mesh, and furthermore, if it is less than the lower limit. This is because the wires constituting the wire mesh become thinner and may react with the molten metal and melt. Furthermore, if the upper limit is exceeded, inclusions will pass through the mesh and cannot be filtered out.
この発明による溶融金属中の介在物分析方法は、上記介
在物分析具を溶融金属中に浸漬し、金網に溶融金属を通
して介在物を濾別することを特徴とするものである。The method for analyzing inclusions in molten metal according to the present invention is characterized in that the inclusion analysis tool is immersed in the molten metal, and the molten metal is passed through a wire mesh to filter out the inclusions.
実 施 例 以下、この発明の実施例を、図面を参照して説明する。Example Embodiments of the invention will be described below with reference to the drawings.
全図面を通じて同一物および同一部分には同一符号を付
して説明を省略する。The same parts and parts are denoted by the same reference numerals throughout the drawings, and their explanation will be omitted.
第１図はこの発明による介在物分析具の１実施例を示す
。FIG. 1 shows one embodiment of the inclusion analysis tool according to the present invention.
第１図において、介在物分析具（１）は、ステンレス鋼
製方形枠（２）と、枠（２）に張られたステンレス鋼製
金網（３）と、枠（２）の上辺部に体に形成された把手
（４）とよりなる。金網（３）の網目の大きさは、５０
〜１０００μｍとなされている。In Figure 1, the inclusion analysis tool (1) consists of a rectangular stainless steel frame (2), a stainless steel wire mesh (3) stretched over the frame (2), and an object attached to the upper side of the frame (2). It consists of a handle (4) formed in. The mesh size of wire mesh (3) is 50
~1000 μm.
この分析具（１）を用いての溶融金属中の介在物分析方
法は、次の通りである。すなわち、分析具（１）を溶融
金属保持槽内の溶融金属（Ｍ）中に、枠（２）および金
網（３）が溶融金属（Ｍ）中に完全に没し、かつ金網（
３）が垂直となるように浸漬する。ついで、溶融金属（
旧中において、枠（２）および金網（３）を、金網（３
）と直交する方向にゆっくりと移動させる。この操作を
１０〜６０秒間行った後、分析具（１）を溶融金属（Ｍ
）中から引き上げる。すると、溶融金属（Ｍ）だけが金
網（３）の網目を通過し、介在物か濾別される。そして
、肉眼による目視、拡大鏡を用いた目視、画像解析装置
による解析などによって、濾別されて金網（３）に付着
した介在物の数、および大きさを測定する。The method for analyzing inclusions in molten metal using this analysis tool (1) is as follows. That is, the analyzer (1) is completely immersed in the molten metal (M) in the molten metal holding tank, the frame (2) and the wire mesh (3) are completely immersed in the molten metal (M), and the wire mesh (
3) Immerse so that it is vertical. Then, the molten metal (
In the old middle school, frame (2) and wire mesh (3) were replaced with wire mesh (3).
) slowly in the direction perpendicular to the After performing this operation for 10 to 60 seconds, the analysis tool (1) is
) Pull it up from inside. Then, only the molten metal (M) passes through the mesh of the wire mesh (3), and any inclusions are filtered out. Then, the number and size of inclusions that have been filtered out and attached to the wire mesh (3) are measured by visual inspection with the naked eye, visual inspection using a magnifying glass, analysis using an image analysis device, etc.
第２図はこの発明による介在物分析具の他の実施例を示
す。FIG. 2 shows another embodiment of the inclusion analysis device according to the present invention.
第２図において、介在物分析具（１０）は、ステンレス
鋼製金網から形成された円筒状体（１１）と、円筒状体
く１１）の下端に固定されたステンレス鋼製円形枠（１
２）と、枠（１２）に張られたステンレス鋼製金網（３
）とを備えている。円筒状体（１１）の上端部には、吊
持部材（１３）が取付けられており、この吊持部材（１
３）が把手（１４）下端のフック（１４ａ）に引掛けら
れている。円筒状体（１１）を形成する金網の網目の大
きさは、５０〜１０００μｍとなされている必要はない
。In FIG. 2, the inclusion analysis tool (10) includes a cylindrical body (11) formed from a stainless steel wire mesh, and a stainless steel circular frame (11) fixed to the lower end of the cylindrical body 11.
2) and a stainless steel wire mesh (3) stretched over the frame (12).
). A suspension member (13) is attached to the upper end of the cylindrical body (11).
3) is hung on a hook (14a) at the lower end of the handle (14). The mesh size of the wire mesh forming the cylindrical body (11) does not need to be 50 to 1000 μm.
この分析具（ｌＯ）を用いての溶融金属中の介在物分析
方法は、次の通りである。すなわち、分析具を溶融金属
保持槽内の溶融金属（Ｍ）中に所定深さまで浸漬する。The method for analyzing inclusions in molten metal using this analyzer (IO) is as follows. That is, the analysis tool is immersed into the molten metal (M) in the molten metal holding tank to a predetermined depth.
ついで、円筒状体（１１）を静かに上昇させて溶融金属
（Ｍ）中から引き上げる。すると、溶融金属（Ｍ）だけ
が金網（３）の網目を通過し、介在物が濾別される。そ
して、第１図に示す分析具（１）の場合と同様にして、
濾別されて金網（３）に付着した介在物の数、および大
きさを測定する。Then, the cylindrical body (11) is gently raised and pulled out of the molten metal (M). Then, only the molten metal (M) passes through the mesh of the wire mesh (3), and the inclusions are filtered out. Then, in the same manner as in the case of the analysis tool (1) shown in Fig. 1,
The number and size of inclusions that have been filtered out and adhered to the wire mesh (3) are measured.
第３図はこの発明による介在物分析具のさらに他の実施
例を示す。FIG. 3 shows still another embodiment of the inclusion analysis device according to the present invention.
第３図において、介在物分析具（１５）は、溶融金属（
Ｍ）を流す樋（１６）において用いられるものであって
、樋（１６）の溶融金属流路（ｌｅａ）の横断面形状に
対応するステンレス鋼製半円形枠（１７）と、枠（１７
）に張られたステンレス鋼製金網（３）とを備えており
、枠（１７）の上水平部に把手（４）が一体に形成され
ている。In FIG. 3, the inclusion analysis tool (15) is a molten metal (
A stainless steel semicircular frame (17) that corresponds to the cross-sectional shape of the molten metal channel (lea) of the gutter (16), and a frame (17
), and a handle (4) is integrally formed on the upper horizontal part of the frame (17).
この分析具（１５）を用いての溶融金属（Ｍ）中の介在
物分析方法は、次の通りである。すなわち、分析具（１
５）を、溶融金属（Ｍ）を流す樋（１６）内に、枠（１
７）の円弧状部分が樋（１６）の流路（Ｌｅａ）の内面
に密接し、かつ金網（３）か溶融金属（Ｍ）中に完全に
没することのないように配置する。この状態で、１０〜
６０秒間放置した後、分析具を溶融金属（Ｍ）中から引
き上げる。すると、溶融金属（Ｍ）だけが金網（３）の
網目を通過し、介在物が濾別される。そして、第１図に
示す分析具（１）の場合と同様にして、濾別されて金網
（３）に付着した介在物の数、および大きさを測定する
。The method for analyzing inclusions in molten metal (M) using this analysis tool (15) is as follows. In other words, the analysis tool (1
5) into the frame (1) in the gutter (16) through which the molten metal (M) flows.
7) is arranged so that the arc-shaped portion is in close contact with the inner surface of the channel (Lea) of the gutter (16) and is not completely submerged in the wire mesh (3) or the molten metal (M). In this state, 10~
After leaving it for 60 seconds, the analytical tool is pulled out of the molten metal (M). Then, only the molten metal (M) passes through the mesh of the wire mesh (3), and the inclusions are filtered out. Then, in the same manner as in the case of the analysis tool (1) shown in FIG. 1, the number and size of inclusions that have been filtered out and adhered to the wire mesh (3) are measured.
発明の効果
この発明の溶融金属中の介在物分析具によれば、枠およ
び金網がステンレス鋼製であるので、溶融金属と反応し
て溶解しに＜＜、寿命が長くなる。また、金網の網目の
大きさが５０〜１０００μｍの範囲内にあるので、溶融
金属は金網を容易に通過し、しかも介在物は確実に濾別
される。また、金網が枠に張られているので、金網の変
形や破損を防止できる。Effects of the Invention According to the instrument for analyzing inclusions in molten metal of the present invention, since the frame and the wire mesh are made of stainless steel, the tool does not react with and dissolve the molten metal and has a long life. Further, since the mesh size of the wire mesh is within the range of 50 to 1000 μm, molten metal easily passes through the wire mesh, and inclusions are reliably filtered out. Furthermore, since the wire mesh is stretched over the frame, deformation and damage to the wire mesh can be prevented.
この発明の溶融金属中の介在物分析方法によれば、溶融
金属中から濾別された介在物かステンレス鋼製金網の表
面に付着するので、この介在物の数および大きさを測定
することにより、濾別された介在物の数および大きさの
定量分析を簡単に行うことかできる。According to the method for analyzing inclusions in molten metal of the present invention, since the inclusions filtered from the molten metal adhere to the surface of the stainless steel wire gauze, the number and size of these inclusions can be measured. Quantitative analysis of the number and size of separated inclusions can be easily performed.
第１図はこの発明の分析具の１実施例を示す斜視図、第
２図はこの発明の分析具の他の実施例を示す斜視図、第
３図はこの発明の分析具のさらに他の実施例を示す斜視
図である。
（１）（１０） （１５）・・・溶融金属中の介在物分
析具、（２） （１２） （１７）・・・枠、（３）・
・・金網。
以 上FIG. 1 is a perspective view showing one embodiment of the analysis tool of the present invention, FIG. 2 is a perspective view showing another embodiment of the analysis tool of the invention, and FIG. 3 is a perspective view of still another embodiment of the analysis tool of the invention. It is a perspective view showing an example. (1) (10) (15)... Instrument for analyzing inclusions in molten metal, (2) (12) (17)... Frame, (3)
...wire mesh. that's all
Claims (2)
製金網とを備えており、金網の網目の大きさが、５０〜
１０００μｍとなされている溶融金属中の介在物分析具
。(1) It is equipped with a stainless steel frame and a stainless steel wire mesh stretched over the frame, and the mesh size of the wire mesh is 50~
An instrument for analyzing inclusions in molten metal with a diameter of 1000 μm.
金属中に浸漬し、金網に溶融金属を通して介在物を濾別
し、濾別された介在物の数および大きさを測定すること
を特徴とする溶融金属中の介在物分析方法。(2) Immersing the instrument for analyzing inclusions in molten metal according to claim 1 in molten metal, passing the molten metal through a wire mesh to filter out the inclusions, and measuring the number and size of the filtered inclusions. Characteristic method for analyzing inclusions in molten metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2107048A JPH045567A (en) | 1990-04-23 | 1990-04-23 | Analyzing means and analyzing method for inclusion in molten metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2107048A JPH045567A (en) | 1990-04-23 | 1990-04-23 | Analyzing means and analyzing method for inclusion in molten metal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH045567A true JPH045567A (en) | 1992-01-09 |
Family
ID=14449198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2107048A Pending JPH045567A (en) | 1990-04-23 | 1990-04-23 | Analyzing means and analyzing method for inclusion in molten metal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH045567A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5827982A (en) * | 1997-02-24 | 1998-10-27 | Alcan International Limited | Portable liquid metal filtration device for inclusion analysis |
-
1990
- 1990-04-23 JP JP2107048A patent/JPH045567A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5827982A (en) * | 1997-02-24 | 1998-10-27 | Alcan International Limited | Portable liquid metal filtration device for inclusion analysis |
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