JPS62180091A - Pickling solution for finishing titanium alloy plate - Google Patents
Pickling solution for finishing titanium alloy plateInfo
- Publication number
- JPS62180091A JPS62180091A JP2262386A JP2262386A JPS62180091A JP S62180091 A JPS62180091 A JP S62180091A JP 2262386 A JP2262386 A JP 2262386A JP 2262386 A JP2262386 A JP 2262386A JP S62180091 A JPS62180091 A JP S62180091A
- Authority
- JP
- Japan
- Prior art keywords
- pickling
- alloy plate
- titanium alloy
- plate
- pickling solution
- 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
- 238000005554 pickling Methods 0.000 title claims abstract description 44
- 229910001069 Ti alloy Inorganic materials 0.000 title claims abstract description 25
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910017604 nitric acid Inorganic materials 0.000 claims abstract description 17
- 239000004088 foaming agent Substances 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910000040 hydrogen fluoride Inorganic materials 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 abstract description 11
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 11
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 10
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 abstract description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract description 4
- 239000004202 carbamide Substances 0.000 abstract description 4
- 235000019333 sodium laurylsulphate Nutrition 0.000 abstract description 4
- 238000005530 etching Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 5
- 239000002253 acid Substances 0.000 description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 229910052785 arsenic Inorganic materials 0.000 description 4
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 229910000756 V alloy Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- 235000002597 Solanum melongena Nutrition 0.000 description 1
- 244000061458 Solanum melongena Species 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- RBFQJDQYXXHULB-UHFFFAOYSA-N arsane Chemical compound [AsH3] RBFQJDQYXXHULB-UHFFFAOYSA-N 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- CCJHDZZUWZIVJF-UHFFFAOYSA-N iodo nitrate Chemical compound [O-][N+](=O)OI CCJHDZZUWZIVJF-UHFFFAOYSA-N 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/10—Other heavy metals
- C23G1/106—Other heavy metals refractory metals
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、チタン合金板、特（：航９８！用チダン合
金板を仕上げる場合の酸洗において便用される酸洗液に
関するものである。[Detailed Description of the Invention] [Industrial Application Field] This invention relates to a pickling solution conveniently used in pickling when finishing a titanium alloy plate, especially a titanium alloy plate for use in 98! .
従来、チタン合金板、例えば航空機の機体やエンジンの
構造部材として使用されている。Ｔｉ−６％ＡＪ−４％
Ｖ合金、Ｔｉ−６％Ｍ−２％５ｎ−４％Ｚｒ−２％Ｍｏ
、Ｔｉ−８％Ｍ−１％Ｍｏ−１％Ｍのようなチタン合金
板は、チタンインゴットを熱間圧延して厚さ二０３〜５
燗の板材とし、ついでこれを焼鈍して歪を除去してから
、両面を研摩して表面の酸１ヒ層を除去するとともに板
厚ｎ１１ぜをあげた後、酸洗によ１）仕上げて、前工程
の研摩によって生じたりロエ変質層を除去するとともに
外観を整えることによって製造され、その酸洗（：おい
ては、ふつ化水素（以下、これをＨＦとも表わ丁）＝１
〜１０％（重油％、以下、別にことわらなければ、％は
丁べて曵筐％を意味する）および硝酸（以下、これをＨ
ＮＯ３とも表わ丁）＝１８〜２５％を含有し。Conventionally, titanium alloy plates have been used as structural members of aircraft bodies and engines, for example. Ti-6%AJ-4%
V alloy, Ti-6%M-2%5n-4%Zr-2%Mo
, Ti-8%M-1%Mo-1%M are produced by hot rolling a titanium ingot to a thickness of 203~5.
This is made into a hot plate material, then annealed to remove distortion, polished on both sides to remove the acid layer on the surface and increase the plate thickness, and then finished by pickling. It is manufactured by removing the loe-altered layer produced by polishing in the previous process and adjusting the appearance, and its pickling (: in this case, hydrogen fluoride (hereinafter also referred to as HF) = 1
~10% (heavy oil%, hereinafter, unless otherwise specified, % refers to the total amount of water) and nitric acid (hereinafter referred to as H
Contains 18 to 25% NO3.
残りが水からなる紐取を有する酸洗液を使用していた。A pickling solution with a strand of water was used.
ところが、このようなチタン合金板を航”Ｆ［の構造部
材として使用する場合は、このチタン合金板を、それに
ついて規定されたアメリカ航空機用材料規格 ＡＭ８４
９１１等または米軍規格 ＭｒＬ９０４６等の表面状聾
、丁なわちつや消し状に仕上げなければならないが、こ
の酸洗仕上において上記のような従来の酸洗液を使用す
ると、チタン合金板は、一般に光沢状（二仕上る傾向が
あり。However, when such a titanium alloy plate is used as a structural member of an aircraft, it must comply with the American aircraft material standard AM84.
911 or US military standard MrL9046, etc., the surface must be finished with a dull, matte finish. However, if a conventional pickling solution such as the one mentioned above is used for this pickling finish, titanium alloy plates generally become glossy. (There is a tendency for two finishes.)
前記規格を満足するつや消し状に仕上らないという問題
があった。There was a problem that a matte finish satisfying the above standards could not be obtained.
そこで、本発明者は、チタン合金板の酸洗仕上における
上記のような問題を解決すべく種々研究を重ねた結果。Therefore, the present inventor has conducted various studies to solve the above-mentioned problems in pickling finishing of titanium alloy plates.
ｉｌ＋ チタン合金板を酸洗Ｃ：よって仕上げる場合
、その表面がつや消し状Ｃ：仕上るか、あるいは光沢状
に仕上るかを左右する最も重要な因子は硝酸製団である
こと。il+ When a titanium alloy plate is pickled and finished, the most important factor that determines whether the surface is matte or glossy is the nitric acid matrix.
（２）従来の酸洗液では、濃度１−１０％のＨＦ’によ
るチタンの水素吸収なふそれて、それの抑１０作用を有
すると考えられるＨＮＯ３を１８〜２５％含有させてい
たが、このような高製団のＨＮＯ３を営む酸洗液は酸（
ヒ作用が強いため（＝、その酸（ヒによりチタン合金板
表面を覆う酸１ヒチタン（以下。(2) Conventional pickling solutions contain 18 to 25% HNO3, which is thought to have the effect of inhibiting hydrogen absorption by titanium due to HF' at a concentration of 1 to 10%. The pickling solution that handles HNO3 of this kind is acid (
Because of its strong arsenic action (=, the acid (hereinafter referred to as "acid 1 titanium"), which covers the surface of the titanium alloy plate due to its arsenic effect.
ＴｉＯ□と６表わ′Ｖ″）の不動態皮膜が厚く形成され
、したがって、それに対応して、このＴ ｒ ０２不ｖ
ＪＷ皮膜を溶解除去するため（：混合されているＨＦの
作用が不足するようになり、そのため十分に除去されな
いで表面Ｃ二残ったＴ ＋ ０２皮膜によってチタン合
金板が光沢仕上になること、
（３）酸洗液におけるＨＮＯ３濃度を１３％巳丁巳下る
とＴｉＯ□皮模が厚く形成されず、したがって。A thick passive film of TiO□ and 6′V″) is formed, and therefore, correspondingly, this T r 02
In order to dissolve and remove the JW film (: the action of the mixed HF becomes insufficient, and as a result, the titanium alloy plate becomes glossy due to the T + 02 film remaining on the surface C2 without being sufficiently removed. 3) When the HNO3 concentration in the pickling solution was lowered by 13%, the TiO□ skin was not formed thickly.
このような酸洗液ではつや消し仕上面が容易に得られる
こと。A matte finish surface can be easily obtained with such a pickling solution.
（４） ただしＨＮＯ３濃度が余り低過ぎると、チタン
合金板表面の加工変質層の除去が十分に連取されず、ま
たその上ＨＦｍ１’ｔが高い場合水素吸収のおそれが出
てくるので、ＨＮＯ３濃度は５％以上でなければならな
いこと。(4) However, if the HNO3 concentration is too low, the process-affected layer on the surface of the titanium alloy plate will not be removed sufficiently, and if HFm1't is high, there is a risk of hydrogen absorption, so the HNO3 concentration must be 5% or more.
６１ Ｍ洗液中のＨＮＯ３ｍ（９）を低下させて、
ＴｉＯ２不動態皮膜の形成を少なく丁れば、その皮膜を
溶解除去するために含有させるＨＦの濃度も、それに対
応して５％以下とすることができ、したがってＨＮＯ３
濃１’ｌｌｅを低くしても、ＲＦＣよる水素吸収の問題
を回避できること、
（６）酸洗液中にラウリル硫酸ナトリウムや尿素などの
起泡剤を添狛すると、酸洗製表面に泡の層が形成される
結果、ＨＦ、ＮＯｘ等の揮発しやすい成分の逸散が抑え
られて作業環境が改善されるとともＣ二液組成の変（ヒ
が起りにくくなり、またこの起泡剤は、酸洗液とＴｉ合
金板との濡れ性を向上させて酸洗を均一（二進性させる
結果１色むらやエッチ・ビットの発生を防ぐこと。By lowering HNO3m (9) in the 61 M washing solution,
If the formation of a TiO2 passive film is reduced, the concentration of HF contained in order to dissolve and remove the film can be correspondingly reduced to 5% or less, and therefore HNO3
(6) Adding a foaming agent such as sodium lauryl sulfate or urea to the pickling solution will cause foam to form on the pickled surface. As a result of the formation of the layer, the work environment is improved by suppressing the escape of easily volatile components such as HF and NOx. , Improve the wettability of the pickling liquid and the Ti alloy plate to make pickling uniform (preventing single color unevenness and etch bits as a result of making it binary).
を見出した。I found out.
ｃ問題点を解決するための手段〕
この発明は、上記知見（＝基づいて発明されたもので、
つや消し状の仕上面を形成できる酸洗液を提供すること
を目間とし。Means for Solving Problem c] This invention was invented based on the above knowledge (=
The aim is to provide a pickling solution that can form a matte finish.
硝酸＝５〜１３％。Nitric acid = 5-13%.
ふつ１ヒ水素：１〜５％、および必要に応じて。Usually arsenic: 1-5%, and as needed.
起泡剤：０．１−１％。Foaming agent: 0.1-1%.
を含有し、残Ｉ）が水からなる紐取を有することを特徴
とする。チタン合金板仕上用酸洗液。, and the remainder I) is characterized by having a string consisting of water. Pickling liquid for finishing titanium alloy plates.
に係わるものである。This is related to.
つぎに、この発明において硝酸、ふつＣヒ水素および起
泡剤のａｒｔを上記のとおり（：限定した曲内を述べる
。Next, in this invention, the art of nitric acid, hydrogen arsenide, and foaming agent will be described as described above.
＋ｌ＋ 硝酸
ＨＮＯ３１１ｊｌｌＥ分は、チタン合金板の両面研摩（
二おいてその表面に形成された加工変質層を溶解除去す
るために使用されるが、そのｍＷが５％未満ではＨＮＯ
３の前記溶解作用が弱くなり過ぎて、ｔＪＤ工変質１−
の除去に時間がＤ）かり過ぎるとともに、ＨＦ’ＳＶが
篩い場合ＨＦ Ｃよる水素吸収のおそれが出てくる一方
、それが１３％を越えると、つや消し仕上面が得にくく
なるところから、ＨＮＯ３濃度を５〜１３％と定めた。+l+ Nitric acid HNO311jllE is for double-sided polishing of titanium alloy plate (
HNO is used to dissolve and remove the process-affected layer formed on the surface of
The dissolving action of 3 becomes too weak, resulting in tJD engineering deterioration 1-
In addition to taking too much time to remove D), if HF'SV is sieved, there is a risk of hydrogen absorption by HF C, and if it exceeds 13%, it becomes difficult to obtain a matte finish surface. was set at 5-13%.
（２）ふつＣヒ水素
ＨＦ ＦＺ分は、前記ＨＮＯ３の酸１１作用によってチ
タン合金板表面に形反されたＴｉＯ２不動態皮膜を溶ｗ
４除去して、その表面をつや消し状に仕上げるのに必要
な取分であるが、その濃ｒセが１％未満では前記不動態
皮膜の溶解作用が弱くなり過ぎて、その溶解連邸が極端
に遅くなり、一方それが５％を越えると、チタン合金板
が水素を吸収するおそれがあるところから、このＨＦ濃
１９を１〜５％と定めた。(2) The arsenic HF FZ component dissolves the TiO2 passive film formed on the surface of the titanium alloy plate by the acid 11 action of the HNO3.
4. This is necessary for removing 4 and giving the surface a matte finish, but if its concentration is less than 1%, the dissolving action of the passive film becomes too weak, and the dissolution rate becomes extremely high. On the other hand, if it exceeds 5%, the titanium alloy plate may absorb hydrogen, so this HF concentration 19 was set at 1 to 5%.
（３）起泡剤
必要に応じて１１５ＩＪＤされる起泡剤としては、酸洗
液表面Ｃ安定な泡の層を形成して、前記の作用。(3) Foaming agent The foaming agent, which is optionally applied with 115 IJD, forms a stable foam layer on the surface of the pickling solution and has the above-mentioned effect.
ＴなわちＨＦ、ＮＯｘ等が酸洗液表面から蒸発するのを
抑えることによって１作業環境を改善するとともに液組
５！ｌｔ二経時的変１ヒが起るのを阻止し、かつ酸洗液
とＴｉ合金板との儒れ牲を向上させて均一な酸洗を達成
することＣ：よって１色むらやエッチ・ピットの発生を
防止する起泡剤ならば、どのような起泡剤でも使用でき
るが、そのうち、例えばラウリル硫酸ナトリウムや尿素
が好ましく便用され。By suppressing the evaporation of T, that is, HF, NOx, etc. from the surface of the pickling solution, 1. The work environment is improved, and 5. To achieve uniform pickling by preventing deterioration over time and improving the elasticity between the pickling solution and the Ti alloy plate. Any foaming agent can be used as long as it prevents the occurrence of foaming, but among these, sodium lauryl sulfate and urea are preferably used.
その濃度が０．１％未満では前記作用が十分（二得られ
ず、一方それが１％を越えても、前記作用に格別の向上
効果が得られない上に、それが１％を越えると、溶けき
らなかった未溶解の起泡剤や、酸洗液中（二高濃閲に溶
は込んだ起泡剤がチタン合金板上にしみを形成するなど
の問題を起すことから、この起泡剤のＳＶをＯ，ｌ −
１％と定めた。If the concentration is less than 0.1%, the above-mentioned effect cannot be obtained sufficiently; on the other hand, even if it exceeds 1%, no particular improvement effect on the above-mentioned effect can be obtained, and if it exceeds 1%, However, undissolved foaming agent that has not completely dissolved and foaming agent dissolved in the pickling solution (two-high concentration) can cause problems such as forming stains on the titanium alloy plate. The SV of the foaming agent is O, l −
It was set at 1%.
ついで、この発明を実茄例によ１）、比較例と対比しな
がら説明する。Next, the present invention will be explained using actual eggplant examples 1) and in comparison with comparative examples.
Ｔｉ−６％Ｍ４％Ｖ合金板を仕上圧延後、焼なまして歪
を除去し、ついで両面研摩：：より柳・ズケールして厚
さ＝１ｇの薄板を製造し、これを１００Ｘ２００＋ｓの
寸法に切断して酸洗仕上に供する試料とした。After finish rolling a Ti-6%M4%V alloy plate, it is annealed to remove distortion, then both sides are polished and scaled to produce a thin plate with a thickness of 1 g, which is cut into dimensions of 100 x 200 + s. The sample was then subjected to pickling finishing.
ついで、このような試料を、第１表（：示される種々の
組成を有する本発明酸洗液１〜８および酸洗液中のいず
れかの成分がこの発明の範囲から外れた組成を有する比
較酸洗液（この外れている成分を表中※印で示す）１〜
４によって、いずれも酸洗憧が板厚で０．０５５ｍとな
るような条件で酸洗し、その結果得られた試料表面の状
轡を肉眼で観察するとともに、試料中に吸収された水素
量を燃焼法による機器分析によって測定し、これらの結
果も合わせて第１表Ｃ：示した。These samples were then tested in Table 1 (: pickling solutions 1 to 8 of the present invention having various compositions shown and comparative samples in which any component in the pickling solution had a composition outside the scope of the present invention). Pickling solution (the missing components are indicated by * in the table) 1~
4, pickling was carried out under conditions such that the pickling thickness was 0.055 m in plate thickness, and the resulting sample surface shape was observed with the naked eye, as well as the amount of hydrogen absorbed in the sample. were measured by instrumental analysis using the combustion method, and these results are also shown in Table 1 C:.
なお１本発明酸洗液７および８においては、それぞれ尿
素およびラウリル硫酸ナトリウムを添すロした結果、本
発明酸洗液７を使用した場合には特ζニヒュームの発生
が抑制され、そして本発明酸洗液８を使用した場合には
特に色むらを生じなかった。Note that 1. As a result of adding urea and sodium lauryl sulfate to pickling solutions 7 and 8 of the present invention, respectively, when pickling solution 7 of the present invention is used, the generation of special When pickling solution 8 was used, no particular color unevenness occurred.
実施例において得られた結果から明らかなように、比較
酸洗液ｌおよび２に８いては）ＩＦ濃窄が低いために水
素吸収量が少ないものの、ＨＮＯ３濃団が高過ぎるため
（−１試料表面は光沢状となってつや消し状にならず、
また比較酸洗液３Ｓよび４においては）ＩＮＯ３磯１’
ｆが低いのでつや消し状の仕上面が得られたけれども、
ＨＦ＃吐が昼過ぎるために水素吸収量が著しく大きくな
ったのに対し、本発明酸洗液１〜８を使用した場合はい
ずれも仕上面がつや消し状となり、しかも水素吸収量が
少ないことがわかる。As is clear from the results obtained in the examples, although the hydrogen absorption amount is small in the comparative pickling solutions 1 and 2 to 8) due to the low IF concentration, the HNO3 concentration is too high (sample -1). The surface becomes glossy and not matte,
In comparison pickling solutions 3S and 4) INO3 Iso 1'
Although a matte finish was obtained because f was low,
The amount of hydrogen absorbed was significantly large because the HF # discharge was carried out in the afternoon, whereas when pickling solutions 1 to 8 of the present invention were used, the finished surface was matte and the amount of hydrogen absorbed was small. Recognize.
以上述べた説明から明らかなように、この発明によると
、チタン合金板の酸洗仕１にＲいて、容易につや消しの
仕上面が得られるとともに、そのチタン合金板の水素吸
収清を十分低い値に保つことができ、さらに場合によ１
１．ＨＦやＮＯｘ等の逸散を防いで作業環境を教養する
とともに液組収の変動を抑え、かつ色むらやエッチ・ピ
ット等を生じない均一な酸洗を遂行できる酸洗液が提供
される。As is clear from the above description, according to the present invention, a matte finish can be easily obtained by pickling a titanium alloy plate, and the hydrogen absorption level of the titanium alloy plate can be maintained at a sufficiently low value. and in some cases 1
1. To provide a pickling solution that prevents the dissipation of HF, NOx, etc., improves the working environment, suppresses fluctuations in liquid composition, and performs uniform pickling without causing color unevenness, etch pits, etc.
Claims (2)
ることを特徴とする、チタン合金板仕上用酸洗液。(1) Pickling for finishing titanium alloy plates, characterized by having a composition (weight %) containing nitric acid: 5 to 13% and hydrogen fluoride: 1 to 5%, with the remainder being water. liquid.
ることを特徴とする、チタン合金板仕上用酸洗液。(2) Contains nitric acid: 5 to 13%, hydrogen fluoride: 1 to 5%, foaming agent: 0.1 to 1%, and the remainder is water (weight %). A pickling solution for finishing titanium alloy plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2262386A JPS62180091A (en) | 1986-02-04 | 1986-02-04 | Pickling solution for finishing titanium alloy plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2262386A JPS62180091A (en) | 1986-02-04 | 1986-02-04 | Pickling solution for finishing titanium alloy plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62180091A true JPS62180091A (en) | 1987-08-07 |
Family
ID=12087954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2262386A Pending JPS62180091A (en) | 1986-02-04 | 1986-02-04 | Pickling solution for finishing titanium alloy plate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62180091A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1038321C (en) * | 1993-02-06 | 1998-05-13 | 宁甲保 | Dissolving method for titanium and zirconium metal |
| WO2003104506A1 (en) * | 2002-06-11 | 2003-12-18 | 住友金属工業株式会社 | β-TYPE TITANIUM ALLOY AND PROCESS FOR PRODUCING THE SAME |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55138083A (en) * | 1979-04-11 | 1980-10-28 | Sumitomo Metal Ind Ltd | Washng method for titanium material with nitrofluoric acid |
| JPS62167895A (en) * | 1986-01-20 | 1987-07-24 | Nippon Kokan Kk <Nkk> | Method for brightly pickling titanium material |
-
1986
- 1986-02-04 JP JP2262386A patent/JPS62180091A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55138083A (en) * | 1979-04-11 | 1980-10-28 | Sumitomo Metal Ind Ltd | Washng method for titanium material with nitrofluoric acid |
| JPS62167895A (en) * | 1986-01-20 | 1987-07-24 | Nippon Kokan Kk <Nkk> | Method for brightly pickling titanium material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1038321C (en) * | 1993-02-06 | 1998-05-13 | 宁甲保 | Dissolving method for titanium and zirconium metal |
| WO2003104506A1 (en) * | 2002-06-11 | 2003-12-18 | 住友金属工業株式会社 | β-TYPE TITANIUM ALLOY AND PROCESS FOR PRODUCING THE SAME |
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