JPH04146125A - Corrosion-resistant and heat-resistant metal composite material and manufacture thereof - Google Patents
Corrosion-resistant and heat-resistant metal composite material and manufacture thereofInfo
- Publication number
- JPH04146125A JPH04146125A JP27162790A JP27162790A JPH04146125A JP H04146125 A JPH04146125 A JP H04146125A JP 27162790 A JP27162790 A JP 27162790A JP 27162790 A JP27162790 A JP 27162790A JP H04146125 A JPH04146125 A JP H04146125A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- resistant
- corrosion
- sheet
- heat
- 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.)
- Granted
Links
- 238000005260 corrosion Methods 0.000 title claims abstract description 34
- 230000007797 corrosion Effects 0.000 title claims abstract description 34
- 239000002905 metal composite material Substances 0.000 title claims description 14
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 239000000463 material Substances 0.000 claims abstract description 39
- 239000010953 base metal Substances 0.000 claims abstract description 22
- 229910000765 intermetallic Inorganic materials 0.000 claims abstract description 13
- 230000001590 oxidative effect Effects 0.000 claims abstract description 13
- 238000005253 cladding Methods 0.000 claims abstract description 9
- 229910000943 NiAl Inorganic materials 0.000 claims abstract description 6
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims abstract description 6
- 229910052751 metal Inorganic materials 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000000137 annealing Methods 0.000 claims description 6
- 238000005491 wire drawing Methods 0.000 claims description 4
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 2
- 239000010962 carbon steel Substances 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims description 2
- 229910000851 Alloy steel Inorganic materials 0.000 claims 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052593 corundum Inorganic materials 0.000 abstract description 5
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- -1 Ni3Al Inorganic materials 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229910001005 Ni3Al Inorganic materials 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000005188 flotation Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004584 weight gain Effects 0.000 description 2
- 235000019786 weight gain Nutrition 0.000 description 2
- 229910017389 Fe3N Inorganic materials 0.000 description 1
- 229910018487 Ni—Cr Inorganic materials 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229930002163 eleman Natural products 0.000 description 1
- 150000004624 eleman derivatives Chemical class 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000003779 heat-resistant material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、耐食性と耐熱性とをあわせ有する金属複合材
と、その製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a metal composite material having both corrosion resistance and heat resistance, and a method for producing the same.
［従来の技術］
高温かつ腐食性の雰囲気中で使用する機器を構成する材
料、たとえば反応器の内張板、自動車排気ガス浮化装置
の触媒担体用素材、あるいは電熱線などの材料としては
、それぞれに所要の耐食性と耐熱性とをあわせもった合
金が使用されている。[Prior Art] Materials constituting equipment used in high-temperature and corrosive atmospheres, such as reactor lining plates, catalyst carrier materials for automobile exhaust gas flotation devices, and heating wires, etc. Alloys with the required corrosion resistance and heat resistance are used for each.
しかし、耐食耐熱性の合金は一般に加工性が低いことと
、耐食性は主として表面の問題であることから、加工性
のよい素材を基材に使用してその表面に耐食性をもった
材料を組み合わせた複合材料や、基材の表面に耐食性を
向上させる処理を施した材料が種々提案されている。However, since corrosion-resistant and heat-resistant alloys generally have low workability, and corrosion resistance is mainly a surface issue, it is necessary to use a material with good workability as a base material and combine it with a material with corrosion resistance on the surface. Various composite materials and materials in which the surface of the base material is treated to improve corrosion resistance have been proposed.
自動車の排ガス浮化装置に用いる触媒担体用メタルハニ
カム素材に例をとると、発明者らは、１５Ｃｒ−３Ａｌ
ｌ −Ｆｅ （イワユルエレマン１ｌｉｌ） ヲ基本組
成とする合金の板にＡノ箔をクラッドし、圧延、真空焼
鈍および酸化性雰囲気中ての加熱を行なうことにより、
表面の八１を酸化してＡｌ１２０３に変え、耐食性を高
めた材料を発明した。Taking an example of a metal honeycomb material for a catalyst carrier used in an automobile exhaust gas flotation device, the inventors discovered that 15Cr-3Al
l -Fe (Iwayuru Eleman 1lil) By cladding an alloy plate with the basic composition with A foil, rolling, vacuum annealing, and heating in an oxidizing atmosphere,
He invented a material with improved corrosion resistance by oxidizing 81 on the surface and changing it to Al1203.
ニレマン鋼は加工性かよく、その表面の耐食性をｉ ２
ｏ３生成で高めることにより、任意の形状の耐食耐熱
性部品を製作することが可能になった。Nireman steel has good workability and its surface corrosion resistance is
By increasing O3 production, it has become possible to manufacture corrosion-resistant and heat-resistant parts of arbitrary shapes.
この材料は、すでに開示した（特願平２−１９２０９０
＞。This material has already been disclosed (Japanese Patent Application No. 192090/1999)
>.
ところが、上記の発明の耐食耐熱材料を高温で長期使用
したとき、時々孔食の発生が観察された。However, when the corrosion-resistant and heat-resistant material of the invention described above was used at high temperatures for a long period of time, pitting corrosion was sometimes observed.
その原因は、表面のＡｌ ２ ｏ３がウィスカーの形で
成長しているため、基材に対する付着性は良好であるが
、表面方向の組織の強さは全面的に高いとは限らないこ
とにあると考えられる。The reason for this is that Al 2 o 3 on the surface grows in the form of whiskers, so it has good adhesion to the substrate, but the strength of the structure in the surface direction is not necessarily high all over. it is conceivable that.
発明者らはまた、ＮｉまたはＮｉ −Ｃｒ合金のヒータ
ー材の高温耐食性を向上する方策として、その表面にＡ
ｌＪＷをクラッドして前記と同様に真空焼鈍および酸化
性雰囲気中の加熱を行ない、八ρ２０３を生成させる技
術を確立して、これもすでに提案したく特願平２−１４
８１５８＞。The inventors also added A to the surface of Ni or Ni-Cr alloy heater materials as a measure to improve their high-temperature corrosion resistance.
We have established a technique to generate 8ρ203 by cladding lJW and subjecting it to vacuum annealing and heating in an oxidizing atmosphere in the same manner as described above, and we have already proposed this technique in patent application No. 2-14.
8158>.
このヒーター材は耐久性か高い。 その理由は、クラッ
トしたＡｌと基材のＮｉ との間で、熱処理により金属
間化合物Ｎｉ３１（一部ＮｉＡりも〉が生成し、これが
強固に基材を被覆するためであると理解できる。This heater material is highly durable. The reason for this can be understood to be that an intermetallic compound Ni31 (partially NiA) is generated by the heat treatment between the cracked Al and the Ni of the base material, and this forms a strong coating on the base material.
［発明か解決すべき課題１
本発明の目的は、上記したＮｉ３Ａｌ（および／Ｎ ｉ
ＡｆＪ＞のような金属間化合物の生成を利用して、へ
１２０３被覆により高温耐食性を向上させた材料の耐久
性を改善した金属複合材を提供すること、ならびにその
ような耐食耐熱性をもつ金属板および金属線の製造方法
を提供することにある。[Invention or problem to be solved 1 The object of the present invention is to solve the above-mentioned Ni3Al (and /Ni
To provide a metal composite material with improved durability of a material whose high-temperature corrosion resistance is improved by F1203 coating by utilizing the formation of intermetallic compounds such as AfJ>, and to provide a metal composite material having such corrosion and heat resistance. The object of the present invention is to provide a method for manufacturing plates and metal wires.
［課題を解決するための手段］
本発明の耐食耐熱性金属複合材は、板材の場合は第３図
に、また線材の場合は第６図にそれぞれ概念的に示すよ
うに、基材金属（１）の少なくとも一部の面（第３図の
例では板の片側）を、金属間化合物Ｎ ｉ ＡｆＪ（Ｄ
＠ （４）および（または〉Ｎｉ Ａｌの＠（５）、ま
たはＮｂ５Ａ、Ｉ！の層を介して、Ａｌ２Ｏ３の層（６
）で被覆してなる。[Means for Solving the Problems] The corrosion-resistant and heat-resistant metal composite material of the present invention has a base metal ( 1) (one side of the plate in the example shown in FIG. 3) is coated with an intermetallic compound N i AfJ (D
@ (4) and (or > Ni Al @ (5), or via a layer of Nb5A, I!, a layer of Al2O3 (6
).
基材金属は、使用温度において必要とされる耐熱性を有
する限り任意であるから、いわゆる耐熱鋼に限らず炭素
鋼、ステンレス鋼そのほか広い範囲から選択することが
できる。The base metal is arbitrary as long as it has the heat resistance required at the operating temperature, so it can be selected from a wide range of materials, including not only so-called heat-resistant steel but also carbon steel, stainless steel, and others.
本発明の耐食耐熱性金属複合板材の製造方法は、第１図
に示すように、基材金属（１）の少なくとも一部の面（
図示した例では板の上面だＣブ）に、Ａ、ｌ！レシート
３Ａ）およびＮｉシート（２Ａ）またはＮｂシートを、
後者を中間にしてクラッドして第２図に示すようなりラ
ッド材とし、これを真空焼鈍および酸化性雰囲気中で加
熱して、Ａ、ｌ１層（３Ｂ）とＮｉ ＠ （２Ｂ＞また
はＮｂ層との間に、第３図に示すように、金属間化合物
Ｎ！３Ａｌの層（４）ｉｐ３よび（または）ＮｉＡ、ｌ
）の層（５）、またはＮｂ５ＡｆＪの層を形成させると
ともに、表面にＡｇ２Ｏ３の層（６）を生成させること
からなる。As shown in FIG.
In the illustrated example, A, l! Receipt 3A) and Ni sheet (2A) or Nb sheet,
The latter is clad in the middle to form a rad material as shown in Fig. 2, which is vacuum annealed and heated in an oxidizing atmosphere to form the A, l1 layer (3B) and the Ni @ (2B> or Nb layer). In between, a layer of intermetallic compound N!3Al (4) ip3 and/or NiA, l
), or a layer of Nb5AfJ, and at the same time, a layer (6) of Ag2O3 is formed on the surface.
Ａｌ シート（３Ａ＞とＮｉシート（２Ｂ）またはＮｂ
シートとは、基材金属板（１）へのクラッドに先立って
、第１図にみるように合せ板としておくと好都合である
。 この場合、合せ板は、厚さが０．１〜１．Ｏａｙ＋
、その中の１部分の厚さは０．００１〜０．５１Ｍ１が
適当である。 もちろん、ＮｉとＡ、ｌｌまたはＮｂを
個々に積層しても、また基材金属（１）に先にＮｉシー
ト（２Ａ）またはＮｂシートをクラッドしておいて、そ
の上にＡ、ｌｌシート（３Ａ）をクラッドしてもよい。Al sheet (3A> and Ni sheet (2B) or Nb
It is convenient to form the sheet into a laminated plate as shown in FIG. 1 before cladding the base metal plate (1). In this case, the laminated board has a thickness of 0.1 to 1. Oay+
, the appropriate thickness of one part thereof is 0.001 to 0.51 M1. Of course, you can laminate Ni and A, ll or Nb individually, or you can first clad the base metal (1) with a Ni sheet (2A) or Nb sheet and then clad the A, ll sheet ( 3A) may be clad.
真空焼鈍は、４００〜ｂ
間、代表的には６００’ＣＸ２分間行なう。 これによ
り、圧延により生じた加工硬化が消滅し、基材金属とＮ
ｉ層またはＮｂ層との間、およびＮｉ層またはＮｂ層と
Ａ１層との間で、相互に拡散が進行する。Vacuum annealing is performed for 400 to 600°C, typically 600'C for 2 minutes. As a result, the work hardening caused by rolling disappears, and the base metal and N
Diffusion progresses between the i layer or the Nb layer and between the Ni layer or the Nb layer and the A1 layer.
酸化性雰囲気中での加熱は、大気中、６００〜１２００
’ＣＸ１〜１２００分間、代表的には９００″ＣＸ２分
間の条件で行なうのが適当でおる。Heating in an oxidizing atmosphere is 600 to 1200
It is appropriate to carry out the test under the conditions of 'CX1 to 1200 minutes, typically 900''CX2 minutes.
本発明の耐食耐熱性金属複合線材の製造方法は、第４図
に示すように、基材金属線（１）の表面を、へρチュー
ブ（３Ｆ）およびＮｉチューブ（２Ｅ）またはＮｂチュ
ーブで、後者を中間にして被覆し伸線加工によりクラッ
ドして第５図に示すようなりラッド材とし、これを真空
焼鈍および酸化性雰囲気中で加熱して、Ａ１層（３Ｆ）
とＮｉ層（２Ｆ〉またはＮｂ層との間に、第６図に示す
ように、金属間化合物Ｎｉ３△１の層（４〉および（ま
たは）ＮＩＡ、Ｉ！の層（５）、またはＮｂ３Ａｇの層
を形成させるとともに、表面にＡｌ２Ｏ３の層（６）を
生成させることからなる。As shown in FIG. 4, the method for manufacturing a corrosion-resistant and heat-resistant metal composite wire of the present invention involves coating the surface of a base metal wire (1) with a ρ tube (3F) and a Ni tube (2E) or a Nb tube. The latter is coated in the middle and cladded by wire drawing to form a rad material as shown in Fig. 5. This is vacuum annealed and heated in an oxidizing atmosphere to form the A1 layer (3F).
and the Ni layer (2F> or Nb layer), as shown in FIG. It consists of forming a layer and generating a layer (6) of Al2O3 on the surface.
線材の製造における代表的な例では、基材金属棒の径が
１０ｍ内外で、これを被覆するＡｆｌチュブおよびＮｉ
チューブ（またはＮｂチューブ）の厚さは、板材の場合
と同様に０．１〜１．０ｍでよく、これらに対し減面率
３０〜５０％の引扱きを数パス行なう伸線Ｎ０工により
、径０．５〜３Ｍのクラッド材を得る。In a typical example of manufacturing wire rods, the diameter of the base metal rod is around 10 m, and the Afl tube and Ni
The thickness of the tube (or Nb tube) may be 0.1 to 1.0 m as in the case of plate materials, and the wire drawing process is performed using several passes of wire drawing with an area reduction rate of 30 to 50%. A cladding material with a diameter of 0.5 to 3M is obtained.
真空焼鈍および酸化性雰囲気中での加熱は、板材につい
て示したものと同じ条件で行なえばよい。Vacuum annealing and heating in an oxidizing atmosphere may be performed under the same conditions as described for the plate material.
なお、線材は第６図のような円形断面のものに限らず、
正方形や長方形そのほかの断面形状のものも製造可能で
ある。 たとえば第７図に示すような断面形状のクラッ
ド材を、孔型ロールを用いた圧延により得、さらにロー
ル圧延してシートに近い形状の製品とすることもできる
。 この種の製品は、両側縁も被覆されているから、耐
食性がいっそう高い。Note that the wire rod is not limited to one with a circular cross section as shown in Figure 6.
Square, rectangular, and other cross-sectional shapes can also be manufactured. For example, a clad material having a cross-sectional shape as shown in FIG. 7 can be obtained by rolling using grooved rolls, and further rolled into a product having a shape similar to a sheet. This type of product has even higher corrosion resistance because both edges are coated.
（作 用］
基材金属板または基材金属線（１）と、その上にクラッ
ドされたＮｉ ＠ （２Ｂ、２Ｆ＞またはＮｂ層および
Ａ１層（３８，３Ｆ＞とは、上述のように真空焼鈍過程
で相互の拡散により密着し、続く酸化性雰囲気中での加
熱によりこの拡散はざらに進行して、ＮｉとＡ１の界面
付近では主としてＮ＋Ａ、ｌｌが、またＮｉの基材寄り
の部分ではＮｌ３Ａ、１！が生成する。 その中間では
、両成分の割合が次第に変化していると考えられる。(Function) The base metal plate or the base metal wire (1) and the Ni @ (2B, 2F> or Nb layer and A1 layer (38, 3F>) clad thereon are formed by forming a base metal plate or a base metal wire (1) in a vacuum as described above. During the annealing process, they come into close contact with each other due to mutual diffusion, and this diffusion progresses roughly due to the subsequent heating in an oxidizing atmosphere, so that near the interface between Ni and A1, N+A and ll are mainly formed, and in the part of Ni near the base material. Nl3A,1! is produced.In the middle, the ratio of both components is considered to be gradually changing.
Ｎｂを用いた場合はＮｂ５ＡＩ２が生成する。 基材金
属がＳＵＳのような鋼である場合は、基材とＮｉとの界
面付近では、金属間化合物Ｆｅ３Ｎが生成する。When Nb is used, Nb5AI2 is generated. When the base metal is steel such as SUS, an intermetallic compound Fe3N is generated near the interface between the base material and Ni.
酸化性雰囲気中での加熱により、表面の八１は酸化され
てＡｊ２０３となり、主としてウィスカーの形で成長す
る。 このＡ、ｌｌ２０３ウイスカーは、ＮｉＡｌ層ま
たはＮｂ５ＡｆＪ＠中にアンカーをもった形で、強固に
結合している。By heating in an oxidizing atmosphere, Aj203 on the surface is oxidized and grows mainly in the form of whiskers. This A,ll203 whisker is strongly bonded with an anchor in the NiAl layer or Nb5AfJ@.
金属間化合物のＮｉ３Ａｌ、Ｎ！ＡρおよびＮｂ５Ａ、
ｌｌは、いずれも耐熱性および耐食性にすぐれているの
で、表面を被覆するＡＩ！ ２ ｏ３層にミクロなりラ
ックが生じた場合にも、腐食を下の基材金属に及ぼすこ
となく、これを保護する。Intermetallic compounds Ni3Al, N! Aρ and Nb5A,
ll has excellent heat resistance and corrosion resistance, so AI! 2. Even if microscopic racks occur in the o3 layer, it protects the underlying base metal from corrosion.
従って、耐食性は長期にわたり維持される。Therefore, corrosion resistance is maintained over a long period of time.
【実施例］
Ａ３層の厚さが０．０４ｍで全体の厚さが０゜１ｓの１
！／Ｎｉ合せ板およびＡ、ｌｌ ／Ｎｂ合せ板を用意し
た。 これらの合せ板を５ｔＪＳ４３０の薄板の両面に
、ＮｉまたはＮｂを間にして圧延し、厚さ０．０５７１
１１１のクラッド材とした。 Ａ、ｌ１層の厚さは０．
００２ｍ（片面＞、ｘｒ層またはＮｂ層の厚さは０．０
０４ｍ（同）である。[Example] 1 with A3 layer thickness of 0.04 m and total thickness of 0°1s
! /Ni laminated plates and A,ll /Nb laminated plates were prepared. These laminated plates were rolled on both sides of a 5t JS430 thin plate with Ni or Nb in between to a thickness of 0.0571.
111 clad material. A, the thickness of the l1 layer is 0.
002m (one side>, thickness of XR layer or Nb layer is 0.0
04m (same).
これを、幅６ ｒｍ Ｘ長ざ２００ｍのリボンにスリツ
トし、真空中で６００℃×２分間の焼鈍ののち、大気中
で６００’ＣＸ６０分間の加熱を行なった。This was slit into a ribbon with a width of 6 rm and a length of 200 m, which was annealed in vacuum at 600° C. for 2 minutes, and then heated at 600° C. for 60 minutes in the air.
比較のため、同じ寸法で、５ＵＳ４３０単独のリボン、
および５ＵＳ４３０の両面に上記と同じ００００２１Ｍ
１の厚さのＡ１層を設けたものを用意し、やはり大気中
６００’ＣＸ６０分間の熱処理をした。For comparison, 5US430 single ribbon with the same dimensions,
and 000021M same as above on both sides of 5US430
A sample with an A1 layer having a thickness of 1 was prepared, and was also heat treated in the atmosphere at 600'CX for 60 minutes.
それらの材料について、つぎの耐食性試験を行なった。The following corrosion resistance tests were conducted on these materials.
（塩水噴霧）
試料を８００℃に加熱した状態で一定の張力を加えてあ
き、そこへ５％Ｎａ（Ｊ！溶液を２分間に１回噴霧して
、試料の破断に至るまでの塩水噴霧回数をしらべた。(Salt water spray) The sample is heated to 800°C and a certain tension is applied to it, and then 5% Na (J! solution is sprayed once every 2 minutes.) The number of salt water sprays until the sample breaks is determined. I looked into it.
その結果を第８図に示す。 図において、実施例および
比較例はつぎのとあり。The results are shown in FIG. In the figure, Examples and Comparative Examples are as follows.
比較例１ ：５ＵＳ４３０
比較例２ ：ｌ ／５ＵＳ４３０／Ａ、ｌ！実施例１
：ＡＪ ／Ｎｉ ／５ＵＳ４３０／Ｎｉ ／Ａ、ｌ！
実施例２ ：ＡＪ）／Ｎｂ ／５ＵＳ４３０／Ｎｂ ／
Ａｌ
（Ｗ１化増量）
試料を１１００’Ｃの大気中に置き、時間の経過に伴う
酸化増量（ｌｌｆｇ／ｒｍ＞を測定した。Comparative example 1: 5US430 Comparative example 2: l /5US430/A, l! Example 1
:AJ /Ni /5US430/Ni /A,l! Example 2: AJ)/Nb/5US430/Nb/
Al (weight increase due to W1) The sample was placed in the atmosphere at 1100'C, and the oxidation weight gain (llfg/rm>) over time was measured.
その結果は、第９図に示すとおりである。The results are shown in FIG.
［発明の効果］
本発明によって、表面がセラミックスであるＡ、ｌ）２
ｏ３層の被覆され、その下に金属間化合物ＮｉＡ、ｌ
！およびＮ！３Ａ、Ｉ！またはＮｂ５Ａ、Ｉ！の層を有
し、それらの基材保護作用で高温耐食性が長期にわたっ
て確保される耐食耐熱性金属材料が実現した。[Effect of the invention] According to the present invention, the surface is made of ceramics A, l)2
o3 layer coated with intermetallic compounds NiA, l
! and N! 3A, I! Or Nb5A, I! A corrosion-resistant and heat-resistant metal material has been realized, which has layers of 1 and 2 and which protects the base material and ensures long-term high-temperature corrosion resistance.
基材金属としては、使用温度における耐熱性の条件をみ
たすものを任意に使用できるから、材料全体の加工性は
高く、種々の部品形状への加工か容易である。As the base metal, any metal that satisfies the heat resistance conditions at the operating temperature can be used, so the workability of the entire material is high and it is easy to process it into various parts shapes.
以上の説明は製造の容易な板状および線状の材料につい
て行なったが、実用的なりラッド手段がある限り、その
ほかの形状の材料や部品も、本発明に従って製作できる
ことはいうまでもない。Although the above description has been made of plate-like and linear materials that are easy to manufacture, it goes without saying that other shapes of materials and components can be made in accordance with the present invention, as long as practical rad means are available.
第１図および第２図は、ともに本発明の耐食耐熱性金属
複合板材の製造工程を説明するための、材料の断面図で
ある。
第３図は、本発明の耐食耐熱性金属複合板材の構造を示
す、概念的な断面図である。
第４図および第５図は、ともに本発明の耐食耐熱性金属
複合線材の製造工程を説明するための、第１図および第
２図に対応する材料の断面図である。
第６図は、本発明の耐食耐熱性金属複合線材の構造を示
す、第３図に対応する概念的な断面図である。
第７図は、第６図とは別の態様の線材の構造を示す、同
様な断面図である。
第８図および第９図は、本発明の実施データのグラフで
あって、第８図は塩水噴霧試験、第９図は酸化増量の測
定結果をそれぞれ示す。
１・・・基材金属板（基材金属線）
２Ａ・・・Ｎｉシート ２Ｂ・・・Ｎｉ層２
Ｆ・・・Ｎｉチューブ
３Ａ・・・Ａｌシート
３Ｅ・・・Ａｆｌチューブ
４・・・Ｎｉ３Ａｊ層
６・・・Ａ、ｌ！２０３層
２Ｆ・・・Ｎｉ 層
３Ｂ・・・Ａｌ層
３Ｆ・・・Ａ１層
５・・・Ｎ＋Ａ、ｌ）層
特許出願人 大同特殊鋼株式会社
代理人 弁理士 須 賀 総 夫
第１図
第２図
第３図
第４ｒｌＡ
第５図
第７図
第６図
第８１！！
時屈
（ｈ「）
手続ネ甫正書（自発）
平成２年１１月１３日
も1 and 2 are cross-sectional views of materials for explaining the manufacturing process of the corrosion-resistant and heat-resistant metal composite plate material of the present invention. FIG. 3 is a conceptual cross-sectional view showing the structure of the corrosion-resistant and heat-resistant metal composite plate material of the present invention. 4 and 5 are cross-sectional views of materials corresponding to FIGS. 1 and 2 for explaining the manufacturing process of the corrosion-resistant and heat-resistant metal composite wire of the present invention. FIG. 6 is a conceptual cross-sectional view corresponding to FIG. 3, showing the structure of the corrosion-resistant and heat-resistant metal composite wire of the present invention. FIG. 7 is a similar sectional view to that shown in FIG. 6, showing the structure of the wire in a different manner. FIGS. 8 and 9 are graphs of practical data of the present invention, with FIG. 8 showing the salt spray test and FIG. 9 showing the measurement results of oxidation weight gain, respectively. 1... Base metal plate (base metal wire) 2A... Ni sheet 2B... Ni layer 2
F...Ni tube 3A...Al sheet 3E...Afl tube 4...Ni3Aj layer 6...A, l! 203 layer 2F...Ni layer 3B...Al layer 3F...A1 layer 5...N+A, l) layer Patent applicant Daido Steel Co., Ltd. Agent Patent attorney Souo Suga Figure 1 Figure 2 Figure 3 Figure 4rlA Figure 5 Figure 7 Figure 6 Figure 81! ! Jiku (h") Procedural Neho Seisho (spontaneous) November 13, 1990
Claims (5)
Ｎｉ＿３Ａｌおよび（または）ＮｉＡｌの層、またはＮ
ｂ＿３Ａｌの層を介して、Ａｌ＿２Ｏ＿３の層で被覆し
てなる耐食耐熱性金属複合材。(1) Cover at least a part of the surface of the base metal with a layer of intermetallic compound Ni_3Al and/or NiAl, or N
A corrosion-resistant and heat-resistant metal composite material coated with a layer of Al_2O_3 via a layer of b_3Al.
請求項１の耐食耐熱性金属複合材。(2) The corrosion-resistant and heat-resistant metal composite material according to claim 1, wherein carbon steel or alloy steel is used as the substrate metal.
よびＮｉシートまたはＮｂシートを、Ｎｉシートまたは
Ｎｂシートを中間にしてクラッドし、クラッド材を真空
焼鈍ののち酸化性雰囲気中で加熱して、Ａｌ層とＮｉ層
またはＮｂ層との間に金属間化合物Ｎｉ＿３Ａｌおよび
（または）ＮｉＡｌの層、またはＮｂ＿３Ａｌの層を形
成させるとともに、表面にＡｌ＿２Ｏ＿３を生成させる
ことからなる耐食耐熱性金属複合板材の製造方法。(3) At least part of the surface of the base metal is clad with an Al sheet and a Ni sheet or Nb sheet with the Ni sheet or Nb sheet in between, and the cladding material is vacuum annealed and then heated in an oxidizing atmosphere. A corrosion-resistant and heat-resistant metal composite plate material comprising forming an intermetallic compound Ni_3Al and/or NiAl layer or Nb_3Al layer between the Al layer and the Ni layer or Nb layer, and generating Al_2O_3 on the surface. manufacturing method.
チューブまたはＮｂチューブで、ＮｉチューブまたはＮ
ｂチューブを中間にして被覆し伸線加工によりクラッド
し、クラッド材を真空焼鈍ののち酸化性雰囲気中で加熱
して、Ａｌ層とＮｉ層またはＮｂ層との間に金属間化合
物Ｎｉ＿３Ａｌおよび（または）ＮｉＡｌの層、または
Ｎｂ＿３Ａｌの層を形成させるとともに、表面にＡｌ＿
２Ｏ＿３を生成させることからなる耐食耐熱性金属複合
線材の製造方法。(4) The surface of the base metal wire is coated with Al tube and Ni
tube or Nb tube, Ni tube or Nb tube
The cladding material is coated with a tube in the middle and cladded by wire drawing, and the cladding material is vacuum annealed and then heated in an oxidizing atmosphere to form an intermetallic compound Ni_3Al and (or ) NiAl layer or Nb_3Al layer is formed, and Al_3Al layer is formed on the surface.
A method for producing a corrosion-resistant and heat-resistant metal composite wire comprising producing 2O_3.
の加熱条件で、また酸化性雰囲気中の加熱を、大気中６
００〜１２００℃×１〜１０００分間の加熱条件で実施
する請求項３の製造方法。(5) Vacuum annealing was performed under heating conditions of 400 to 650°C for 1 to 200 minutes, and heating in an oxidizing atmosphere was performed in the air for 6
The manufacturing method according to claim 3, which is carried out under heating conditions of 00 to 1200°C for 1 to 1000 minutes.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27162790A JP2959092B2 (en) | 1990-10-09 | 1990-10-09 | Corrosion-resistant and heat-resistant metal composite material and its manufacturing method |
| EP91117218A EP0480404B1 (en) | 1990-10-09 | 1991-10-09 | Corrosion-resistant and heat-resistant metal composite and method of producing |
| DE1991611362 DE69111362T2 (en) | 1990-10-09 | 1991-10-09 | Corrosion-resistant and heat-resistant metal composite and method for its production. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27162790A JP2959092B2 (en) | 1990-10-09 | 1990-10-09 | Corrosion-resistant and heat-resistant metal composite material and its manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04146125A true JPH04146125A (en) | 1992-05-20 |
| JP2959092B2 JP2959092B2 (en) | 1999-10-06 |
Family
ID=17502713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27162790A Expired - Fee Related JP2959092B2 (en) | 1990-10-09 | 1990-10-09 | Corrosion-resistant and heat-resistant metal composite material and its manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2959092B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2469119C1 (en) * | 2011-05-24 | 2012-12-10 | Федеральное государственное бюджетное учреждение науки Институт физики твердого тела Российской академии наук (ИФТТ РАН) | Heat-resistant material based on niobium, and methods for its obtaining |
| CN105463444A (en) * | 2014-09-29 | 2016-04-06 | 上海宝钢工业技术服务有限公司 | Preparation method for corrosion-resistant anti-abrasion composite coating |
| JP2017001006A (en) * | 2015-06-04 | 2017-01-05 | 日本精線株式会社 | Composite wire type catalyst member, and catalyst reactor for hydrogen production using the same |
| CN111254395A (en) * | 2020-03-23 | 2020-06-09 | 中国船舶重工集团公司第十二研究所 | High-temperature-resistant corrosion-resistant multilayer composite film and preparation method thereof |
-
1990
- 1990-10-09 JP JP27162790A patent/JP2959092B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2469119C1 (en) * | 2011-05-24 | 2012-12-10 | Федеральное государственное бюджетное учреждение науки Институт физики твердого тела Российской академии наук (ИФТТ РАН) | Heat-resistant material based on niobium, and methods for its obtaining |
| CN105463444A (en) * | 2014-09-29 | 2016-04-06 | 上海宝钢工业技术服务有限公司 | Preparation method for corrosion-resistant anti-abrasion composite coating |
| JP2017001006A (en) * | 2015-06-04 | 2017-01-05 | 日本精線株式会社 | Composite wire type catalyst member, and catalyst reactor for hydrogen production using the same |
| CN111254395A (en) * | 2020-03-23 | 2020-06-09 | 中国船舶重工集团公司第十二研究所 | High-temperature-resistant corrosion-resistant multilayer composite film and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2959092B2 (en) | 1999-10-06 |
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