JPS58110650A - Ni-base heat resistant alloy - Google Patents

Ni-base heat resistant alloy

Info

Publication number
JPS58110650A
JPS58110650A JP20779481A JP20779481A JPS58110650A JP S58110650 A JPS58110650 A JP S58110650A JP 20779481 A JP20779481 A JP 20779481A JP 20779481 A JP20779481 A JP 20779481A JP S58110650 A JPS58110650 A JP S58110650A
Authority
JP
Japan
Prior art keywords
alloy
hot
strength
content
heat resistant
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
Application number
JP20779481A
Other languages
Japanese (ja)
Other versions
JPS6134497B2 (en
Inventor
Hiroshi Usuda
薄田 寛
Ichiro Tsuji
一郎 辻
Hisataka Kawai
久孝 河合
Hitomi Ito
眸 伊東
Makoto Yuge
弓削 允
Toshiki Takeiri
竹入 俊樹
Tateaki Sahira
佐平 健彰
Toshio Kojima
小島 俊雄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Mitsubishi Metal Corp
Original Assignee
Mitsubishi Heavy Industries Ltd
Mitsubishi Metal Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Heavy Industries Ltd, Mitsubishi Metal Corp filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP20779481A priority Critical patent/JPS58110650A/en
Publication of JPS58110650A publication Critical patent/JPS58110650A/en
Publication of JPS6134497B2 publication Critical patent/JPS6134497B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE:To provide an Ni-based heat resistant alloy of solid soln. hardening type having excellent hot and cold workability, high tensile strength and fatigue strength at high temp. and excellent oxidation resistance by consisting the alloy of specific compsn. of C, Ca, Cr, Co, Mo, W, Al, Ti and Ni. CONSTITUTION:A titled alloy is an Ni-based heat resistant alloy having the compsn. contg. 0.001-0.15wt% C, 0.0005-0.05% Ca, 20.0-26.0% Cr, 4.7-9.4% Co, 5.0-16.0% Mo, 0.5-4.0% W, 0.3-1.5% Al, 0.1-1.0% Ti (where 9.0-16.5% Mo + W), and further 1 or 2 kind 0.001-0.15% Y and 0.001-0.15% rare earth elements and/or 0.01-1.0% >=1 kind among Nb, V, and Ta, and consisting of the balance unavoidable impurities. Said alloy is obtained by preparing molten metal having the above-mentioned component compsn., in a vacuum melting furnace, casting the molten metal to ingots, and subjecting the ingots to hot forging and hot and cold rolling followed by solutionizing treatment.

Description

【発明の詳細な説明】 この発明は、熱間および冷間加工性にすぐれ、高温での
引張シ強度と疲れ強さが高く、しかも耐酸化性にすぐれ
た固溶強4化型N1基耐熱合金に関するものである。
DETAILED DESCRIPTION OF THE INVENTION The present invention provides a solid solution strengthened quaternary N1 heat resistant material with excellent hot and cold workability, high tensile strength and fatigue strength at high temperatures, and excellent oxidation resistance. It concerns alloys.

従来:かなシリ前からガスタービン燃焼器をはじめとす
る原動機用の各種高温用機器、さらには化学工業用各種
高温機器、原子カニ業用機器等に、ハステロイX合金等
のN1基耐熱合金が使用されていたが、近年になって上
記各種高温機器等のさらに苛酷な条件での使用が可能な
新しい材料が求められている。そこで、これらの要求に
対処すべく種々の耐熱合金が開発されてきておシ、超合
金と称されて実用化されている。一方上記各種機器類は
現在益々高効率化する傾向にあシ、それにともない材料
に要求される特性、すなわち耐酸化性。
Conventional: Since before Kanashiri, N1 group heat-resistant alloys such as Hastelloy However, in recent years, there has been a demand for new materials that can be used under even harsher conditions, such as in the various high-temperature devices mentioned above. In order to meet these demands, various heat-resistant alloys have been developed and put into practical use, called superalloys. On the other hand, the various types of equipment mentioned above are currently becoming more and more efficient, and along with this, the characteristics required of the materials, namely oxidation resistance, are increasing.

高温強度、高温高サイクル疲れ強さ、熱間および冷間加
工性等も増々高度なものが要求される状況にある。そし
て、これらの要求特性のうち、高温強度、高温高サイク
ル疲れ強さと、熱間および冷間加工性とは一般に合金設
計上相反する傾向がある。例えば、従来使用されている
N1基超合金の1つである固溶強化型ニッケル基耐熱合
金たる、ハステロイXで代表されるNi −Cr −M
o −Fe系合金や、その他のNi −Cr −Mo 
−Co系合金は、熱間および冷間加工性にすぐれておシ
、この点では十分に満足できるものであるが、高温強度
や高温高サイクル疲れ強さ等の高温特性に対する最近の
苛酷な要求を必ずしも満足していないという傾向がある
Increasingly high-temperature strength, high-temperature high-cycle fatigue strength, hot and cold workability, etc. are also required. Among these required properties, high temperature strength, high temperature high cycle fatigue strength, and hot and cold workability generally tend to conflict in terms of alloy design. For example, Ni-Cr-M represented by Hastelloy
o -Fe alloys and other Ni -Cr -Mo
-Co-based alloys have excellent hot and cold workability, and are fully satisfactory in this respect, but recent severe demands on high-temperature properties such as high-temperature strength and high-temperature high-cycle fatigue strength There is a tendency that they are not necessarily satisfied.

本発明者等は、上述のような観点から、熱間および冷間
加工性と耐酸化性に著しくすぐれるとともに、特に高温
での引張シ強さと疲れ強さにも十分満足できる耐熱合金
を得るぺく、種々研究を重ねた結果、 (a)耐酸化性、熱間および冷間加工性ともすぐれてい
るN j、 −Cr系合金、特にCr : 20.0〜
26.0%を含有するNi−Cr系合金の高温強度を向
上させる目的でMOおよびWを含有させるが、常温強度
も増加するようになるので複雑な形状への冷間加工性が
損なわれるようになる。しかし、このMoとWの組合せ
を考慮し、それぞれの含有量および両者の総量を加減す
ると、前記Ni−crr系合金冷間加工性をそれ程損な
うことなく高温強度をよシ向上させることができること
。しかもこの効果はMo単独よシもMoとWの複合含有
によってよシ高められること。
From the above-mentioned viewpoints, the present inventors have obtained a heat-resistant alloy that is extremely excellent in hot and cold workability and oxidation resistance, and is also sufficiently satisfactory in tensile strength and fatigue strength, especially at high temperatures. As a result of various studies, (a) Nj, -Cr alloys, especially Cr: 20.0 to 20.0, have excellent oxidation resistance and hot and cold workability.
MO and W are included to improve the high temperature strength of the Ni-Cr alloy containing 26.0%, but since the room temperature strength also increases, cold workability into complex shapes may be impaired. become. However, by considering the combination of Mo and W and adjusting the content of each and the total amount of both, it is possible to improve the high temperature strength without significantly impairing the cold workability of the Ni-crr alloy. Moreover, this effect is enhanced not only by Mo alone but also by the combined inclusion of Mo and W.

(b)Ni−Cr系合金へのCaの含有によって、高温
特性および熱間加工性を改善するとともに、特に冷間加
工性の面から制約されるMoとWの含有量の上限を拡大
することができること。
(b) Including Ca in the Ni-Cr alloy improves high-temperature properties and hot workability, and expands the upper limit of Mo and W content, which is particularly restricted from the perspective of cold workability. What you can do.

(c)MoおよびWを含有したNi−Cr系合金に、さ
らにCOをバランス良く含有せしめ、て組合せることに
よシ、冷間加工性を損なうことなくよp高温強度を高く
し得ること。
(c) By further containing CO in a well-balanced manner in a Ni-Cr alloy containing Mo and W, high-temperature strength can be further increased without impairing cold workability.

(d)Mo、  W、およびCaを含有・したNi−C
r系合金に、さらにMおよびT1を含有させると、微細
な金属間化合物であるNi3 (A1. Ti )が素
地中に均一に分散析出するようになって高温強度を一段
と高くし得ること。
(d) Ni-C containing/containing Mo, W, and Ca
When the r-based alloy further contains M and T1, Ni3 (A1.Ti), which is a fine intermetallic compound, becomes uniformly dispersed and precipitated in the base material, thereby making it possible to further increase the high-temperature strength.

(e) Yや、C’6.La等の希土類元素を、上記(
a) 〜(d)に示されるNi−Cr系合金に含有させ
ると、耐酸化性および熱間加工性が一段と向上するよう
になること。
(e) Y, C'6. Rare earth elements such as La are added to the above (
When included in the Ni-Cr alloys shown in a) to (d), oxidation resistance and hot workability are further improved.

(f)上記(a)〜(e)に示されるNi−Cr系合金
にNb、 VおよびTaを含有させると、いずれもCと
作用して炭化物を析出せしめ、再結晶後の結晶粒を微細
化し、高温での高サイクル疲労強度が向上するようにな
ること。
(f) When Nb, V and Ta are added to the Ni-Cr alloys shown in (a) to (e) above, they all interact with C to precipitate carbides, making the crystal grains finer after recrystallization. and improve high cycle fatigue strength at high temperatures.

以上(a)〜(f)に示す如き知見を得るに至ったので
ある。
The findings shown in (a) to (f) above have been obtained.

したがって、この発明は上記知見にもとづいてなされた
もので、重量%で(以下チの表示は重量%を意味する)
、 C:O,OO1〜015チ、 Ca :O,0O05〜0.05%、 Cr: 20.0〜26.0%、望ましくは20.0〜
24.0チ、 Co : 4.7〜9.4 %、望ましくは6.5〜9
.4%、Mo:5.0〜16.0チ、望ましくは8,0
〜100チ、 W:0.5〜4.0 チ、 (ただし、MO+W : 9.、O〜165チ、望まし
くは10.0〜13.5 チ)、 八g:0.3〜1.5%、望ましくはO,(i 〜1.
5 %、Ti:  0.1〜1.0 %、 を含有し、さらに必要に応じて、Y:O,OO1〜0.
15%および希土類元素:O,OO1〜0.15%のう
ちの1種または2種を含有し、さらに必要に応じて、N
b、V、およびTaのうちの1種または2種以上:O,
O2N2,0%、 を含有し、残シがN1と不可避不純物からなる組成を有
し、かつ、高温強度、熱間および冷間加工性。
Therefore, this invention was made based on the above knowledge, and is expressed in weight% (hereinafter, "H" means weight%).
, C: O, OO1-015%, Ca: O,0005-0.05%, Cr: 20.0-26.0%, preferably 20.0-015%.
24.0 Chi, Co: 4.7 to 9.4%, preferably 6.5 to 9
.. 4%, Mo: 5.0 to 16.0, preferably 8.0
~100 inches, W: 0.5~4.0 inches (however, MO+W: 9., O~165 inches, preferably 10.0~13.5 inches), 8g: 0.3~1.5 %, preferably O, (i ~ 1.
5%, Ti: 0.1-1.0%, and, if necessary, Y:O, OO1-0.
15% and one or two of rare earth elements: O, OO 1 to 0.15%, and if necessary, N.
One or more of b, V, and Ta: O,
Contains 0% O2N2, has a composition in which the remainder is N1 and unavoidable impurities, and has high temperature strength and hot and cold workability.

および耐酸化性ともにすぐれたN1基耐熱合金に特徴を
有するものである。
It is characterized by being an N1-based heat-resistant alloy with excellent oxidation resistance.

ついで、この発明の合金において、C+ Ca + C
r +Co、Mo、 W、 AA、 Ti+ Y+希゛
土類元素、Nb、V。
Then, in the alloy of this invention, C+ Ca + C
r + Co, Mo, W, AA, Ti + Y + rare earth element, Nb, V.

およびTa成分の成分組成範囲を上記の通シに限定した
理由を説明する。
The reason why the composition range of the Ta component and the Ta component is limited to the above-mentioned range will be explained.

(a)  C C成分は、合金の溶解における脱酸剤として作用し、そ
のため合金中に残存する下限量として少なくともO,0
01%を要するが、O,’15 %を越えて残存した場
合は、基質の固溶強化元素であるMOおよびWと炭化物
を過剰に形成し、結果として高温強度を損なうことから
、その含有量をO,OO1〜0、15%と限定した。
(a) The C component acts as a deoxidizing agent in the melting of the alloy, and therefore the lower limit amount remaining in the alloy is at least O,0.
01% is required, but if O,' remains in excess of 15%, it will form excessive carbides with MO and W, which are solid solution strengthening elements of the matrix, and as a result, the high temperature strength will be impaired. was limited to O, OO1-0, 15%.

(bl  Ca Ca成分は、熱間および冷間加工性、高温での引張シ特
性、高温での疲れ強さの改善に必要なものであり、その
含有量がO,OO’05%未満ではその効果を発揮せず
、一方、0.05%を越えて含有すると熱間加工性が著
しく損なわれることから、その含有量をO,OOO5〜
0.05%に限定した。
(bl Ca The Ca component is necessary for improving hot and cold workability, tensile strength at high temperatures, and fatigue strength at high temperatures, and if its content is less than 5% O,OO'0, its On the other hand, if the content exceeds 0.05%, the hot workability will be significantly impaired, so the content should be reduced to O, OOO5~
It was limited to 0.05%.

(c)  Cr Cr成分には、高温において強固な酸化被膜を形成し耐
酸化性を向上させる作用があるが、その含有量が20.
0%未満では前記作用に所望の効果が得られず、一方、
26.0 %を越えて含有する場合には、特に高温強度
を低下させることがら、その含有量を20.0〜26.
0%と限定した。なお、高温強度をよシ高い状態に保持
するためにはcrの上限値を24.0%とするのが望ま
しい。
(c) Cr The Cr component has the effect of forming a strong oxide film at high temperatures and improving oxidation resistance, but if the content is 20.
If it is less than 0%, the desired effect cannot be obtained; on the other hand,
If the content exceeds 26.0%, the high-temperature strength will particularly decrease, so the content should be reduced to 20.0 to 26.0%.
It was limited to 0%. Note that in order to maintain high temperature strength, it is desirable to set the upper limit of cr to 24.0%.

((])  C。((]) C.

Ca成分には、高温強度を向上せしめる作用があるが、
その含有量が4.7チ未満では前記作用に所望の効果が
得られず、一方、94チを越えて含有させると常温強度
が著しく高くなシ、したがって冷間加工性が著しく劣化
することがら、その含有量を4.7〜9.4%と限定し
た。なお、coの含有量が6.5〜9.4チの場合に最
良の高温強度が得られる。
Although the Ca component has the effect of improving high temperature strength,
If the content is less than 4.7 inches, the desired effect cannot be obtained, while if the content exceeds 94 inches, the room temperature strength will be extremely high, and therefore the cold workability will be significantly deteriorated. , its content was limited to 4.7-9.4%. Note that the best high temperature strength is obtained when the Co content is 6.5 to 9.4 inches.

(e)  MoおよびW MOおよびW成分は、ともに高温強度を向上させるだめ
の主要な元素であシ、特にWは高サイクル疲れ強さの改
善に顕著に作用効果を及ぼすが、M。
(e) Mo and W Both MO and W components are major elements for improving high-temperature strength. In particular, W has a remarkable effect on improving high-cycle fatigue strength, but M.

およびW成分がそれぞれ5.0 %未満および。5チ未
満では高温強度向上に顕著な効果を発揮せず、また、特
にWが0.5チ未満では高サイクル疲れ強さ向上に顕著
な効果がみらhない。一方、 MoおよびW成分がそれ
ぞれ16.0 %および4.0チを越えて含有されてい
る場合には冷間加工性が著しく損なわれることとなる。
and W content is less than 5.0%, respectively. When W is less than 5 inches, no remarkable effect is exhibited in improving high-temperature strength, and in particular, when W is less than 0.5 inches, no remarkable effect is observed on improving high-cycle fatigue strength. On the other hand, if the Mo and W components are contained in excess of 16.0% and 4.0%, respectively, cold workability will be significantly impaired.

しかしながら、これらの含有量がちる限定範囲内では、
 MOおよびWのそれぞれ単独よシも両者の複合含有の
方がよシ高い高温強度を維持しながら、しかも一定の冷
間加工性を維持できるものである。すなわち、Moが5
.0〜16%、Wが0.5〜4.0チの含有量を満足し
ても、(Mo+W)が9.0チ未満では、高温強度向上
の作用に所望の効果が得られず、一方、(Mo−)−W
)が16.5%を越えた場合には冷間加工性が著しく低
下するので、Moの含有量を5,0〜16.5%、Wの
含有量を0.5〜4.0%とした上で、(MO+W)の
総量:9.0〜16.5チを満足しなければならない。
However, within a limited range where these contents vary,
It is possible to maintain a higher high temperature strength and a certain level of cold workability when MO and W are contained in combination than when MO and W are used alone. That is, Mo is 5
.. Even if the content of W is 0 to 16% and W is 0.5 to 4.0%, if (Mo+W) is less than 9.0%, the desired effect of improving high temperature strength cannot be obtained; , (Mo-)-W
) exceeds 16.5%, the cold workability will be significantly reduced, so the Mo content should be 5.0 to 16.5% and the W content should be 0.5 to 4.0%. In addition, the total amount of (MO+W) must satisfy 9.0 to 16.5 inches.

なお、Mo:8.0〜1O10チおよびW:0.5〜4
.0チを含有し、かつ(Mo+W): lo、o〜13
.5%を満足した場合に最良の高温強度が得られる。
In addition, Mo: 8.0 to 1O10chi and W: 0.5 to 4
.. Contains 0 and (Mo+W): lo, o~13
.. The best high temperature strength can be obtained when the content is 5%.

(f)  uおよびTl AtおよびT1は、Niと結合して微細なN15(AL
”1)の金属間化合物として素地中に均一に分散し、高
温強度を一段と向上させる作用を有するが、MおよびT
1成分がそれぞれ0.34未満および01チ未満では高
温強度向上に顕著な効果を発揮せず、一方AuおよびT
1成分がそれぞれ1.5%および1.0%を越えて含有
されている場合には、冷間加工性が著しく損なわれるよ
うになると共に、脆化も起ることから、その含有量をそ
れぞれ4:0.3〜1.5チ、Ti:0.1〜1.0係
と限定した。なお、M二〇、6〜1.5%およびTi:
 0.1=1.0チを含有する場合に最良の高温強度が
得られる。
(f) u and Tl At and T1 combine with Ni to form fine N15 (AL
``1) As an intermetallic compound, it is uniformly dispersed in the matrix and has the effect of further improving high-temperature strength, but M and T
If one component is less than 0.34 and less than 0.01 inch, it will not have a significant effect on improving high temperature strength, while Au and T
If one component is contained in excess of 1.5% and 1.0%, respectively, cold workability will be significantly impaired and embrittlement will occur, so the content should be adjusted accordingly. 4: 0.3 to 1.5 Ti, Ti: 0.1 to 1.0 Ti. In addition, M20, 6-1.5% and Ti:
The best high temperature strength is obtained when the content is 0.1=1.0.

(g)  Yおよび希土類元素 Y、およびCe、 La等の希土類成分は、耐酸化性お
よび熱間加工性を一段と向上させる均等的作用を有する
が、その含有量がそれぞれ0001%未満の場合には前
記作用に所望の効果が得られず、一方、それぞれ0.1
5 %を越えて含有した場合には、特に熱間加工性を低
下させることから、その含有量をそれぞれ0001〜0
.15%に限定した。
(g) Y and rare earth elements Y and rare earth components such as Ce and La have the uniform effect of further improving oxidation resistance and hot workability, but if their content is less than 0001%, The desired effect was not obtained in the above action, and on the other hand, each 0.1
If the content exceeds 5%, the hot workability will be particularly reduced, so the content should be reduced from 0001 to 0.
.. It was limited to 15%.

(h) Nb、 vおよびTa Nb、VおよびTa成分には、いずれもCと作用して炭
化物を析出させ、かつ再結晶後の結晶粒を細かくし、特
に高温での高サイクル疲労強度を一段と向上させる均等
的作用を有するが、その含有量が0.01%未満では前
記作用に所望の効果を得ることができず、一方、その含
有量が10%を越えた場合には耐酸化性の著しい低下が
みられることから、その含有量を0.01〜1.0チと
限定した。
(h) Nb, V, and Ta Nb, V, and Ta components all interact with C to precipitate carbides, refine crystal grains after recrystallization, and further improve high cycle fatigue strength, especially at high temperatures. However, if its content is less than 0.01%, it will not be possible to obtain the desired effect on the said action, while if its content exceeds 10%, it will improve the oxidation resistance. Since a significant decrease was observed, the content was limited to 0.01 to 1.0 g.

つぎに、この発明のN1基耐熱合金を実施例により説明
する。
Next, the N1-base heat-resistant alloy of the present invention will be explained with reference to Examples.

通常の真空溶解炉を用い、それぞれ第1表に示される成
分組成をもった溶湯を調製し、直径:約60m1X高さ
一200uの寸法をもったインゴットに鋳造し、熱間鍛
造および熱間圧延によシ板厚:4龍とし、ついで板厚:
2mxに冷間圧延し、最終的に温度:1150〜120
0℃に20分間保持後水焼入れの条件で溶体化処理を施
して結晶粒度’iAsTM粒度番号:約6に調整するこ
とによって、本発明合金1〜23.比較合金1〜1(5
,およびハステロイXを製造した。
Molten metals having the compositions shown in Table 1 are prepared using a normal vacuum melting furnace, cast into ingots with dimensions of approximately 60 m in diameter x 200 m in height, hot forged and hot rolled. Board thickness: 4 dragons, then board thickness:
Cold rolled to 2mx and finally temperature: 1150-120
Alloys 1 to 23 of the present invention were prepared by holding at 0°C for 20 minutes and then solution treatment under water quenching conditions to adjust the crystal grain size to 'iAsTM grain size number: approximately 6. Comparative alloys 1 to 1 (5
, and Hastelloy X were produced.

ついで、上記各種の合金に関し、冷間加工性を評価する
目的で、厚さ:2朋×幅:2C1m、X長さ;約150
龍の寸法をもった試験片を用い、温度:室温、  be
nding factor = O,曲げ角度:180
’″の条件で密着曲げ試験を行ない、試験後の割れの有
無を観察した。また、前記密着曲げ試験で割れ発生のな
かったものについて、800℃における高温引張シ試験
、950℃における耐酸化性試験。
Next, for the purpose of evaluating the cold workability of the various alloys mentioned above, thickness: 2 mm x width: 2 C1 m, x length: approximately 150
Using a test piece with the dimensions of a dragon, temperature: room temperature, be
nding factor = O, bending angle: 180
A close bending test was conducted under the conditions of ``'', and the presence or absence of cracks after the test was observed.In addition, for those that did not develop cracks in the above close bending test, the high temperature tensile test at 800 ° C. and the oxidation resistance at 950 ° C. test.

および600℃における高サイクル疲れ試験を行ない、
前記耐酸化性試験では酸化増量を測定し、前記高温高サ
イクル疲れ試験では荷重’ 38 kg/mJにて破断
までの繰返し数をそれぞれ測定した。これらの測定結果
を第1表に合せて示した。
and a high cycle fatigue test at 600°C,
In the oxidation resistance test, oxidation weight gain was measured, and in the high temperature, high cycle fatigue test, the number of repetitions until breakage was measured at a load of 38 kg/mJ. These measurement results are also shown in Table 1.

第1表に示される結果から、構成成分のうちのいずれか
の成分(第1表に※印で表示)がこの発明の範囲から外
れた組成を有する比較合金1〜16は、いずれも高温強
度および高温高サイクル疲れ強さのうちの少なくとも1
つの性質が劣ったものであるのに対して、本発明合金1
〜23は、いずれもハステロイ又と同等のすぐれた冷間
加工性を有し、かつ冷間加工性、高温引張シ特性、耐酸
化性、および高温高サイクル疲れ強さについてはハステ
ロイ又と比較して一段とすぐれた特性を示すことが明ら
かである。
From the results shown in Table 1, it can be seen that Comparative Alloys 1 to 16, in which one of the constituent components (indicated with an asterisk in Table 1) has a composition outside the scope of the present invention, all have high-temperature strength. and high temperature high cycle fatigue strength.
Inventive alloy 1 has inferior properties, while alloy 1 of the present invention
-23 all have excellent cold workability equivalent to Hastelloy Mata, and are better than Hastelloy Mata in terms of cold workability, high temperature tensile properties, oxidation resistance, and high temperature high cycle fatigue strength. It is clear that this material exhibits even better characteristics.

上述のように、この発明のN1基耐熱合金は、すぐれた
高温強度、熱間および冷間加工性、および耐酸化性を兼
ね備えているので、ガスタービン燃焼器をはじめとする
原動機用の各種高温用機器など、複雑な形状への加工を
必要とし、しかも高温での強度、高サイクル疲れ強さ、
さらにすぐれた耐酸化性を要求される部品の製造に適す
るものである。
As mentioned above, the N1-based heat-resistant alloy of the present invention has excellent high-temperature strength, hot and cold workability, and oxidation resistance, so it can be used in various high-temperature applications for prime movers such as gas turbine combustors. equipment that requires processing into complex shapes, and also has strength at high temperatures, high cycle fatigue strength,
Furthermore, it is suitable for manufacturing parts that require excellent oxidation resistance.

出願人  三菱重工業株式会社 出願人  三菱金属株式会社 代理人  富  1) 和 夫 第1頁の続き 0発 明 者 竹入俊樹 大宮市北袋町1丁目297番株式 %式% 大宮市北袋町1丁目297番株式 会社三菱金属中央研究所内 の発 明 者 小島俊雄 大宮市北袋町1丁目297番株式 %式% 0出 願 人 三菱金属株式会社 東京都千代田区大手町1丁目5 番2号Applicant: Mitsubishi Heavy Industries, Ltd. Applicant: Mitsubishi Metals Corporation Agent Tomi 1) Kazuo Continuation of page 1 0 shots clear person Toshiki Takeiri Omiya City Kitabukurocho 1-297 Stock %formula% Omiya City Kitabukurocho 1-297 Stock Inside Mitsubishi Metals Central Research Institute Inventor: Toshio Kojima Omiya City Kitabukurocho 1-297 Stock %formula% 0 applicants Mitsubishi Metals Corporation 1-5 Otemachi, Chiyoda-ku, Tokyo number 2

Claims (3)

【特許請求の範囲】[Claims] (1)  C: 0.001〜0.15%、Ca :O
,0O05〜0.05 %、Cr : 20.0〜26
.0%、 Co:4.7〜9.4チ、 Mo : 5.0〜16.0%、 W:05〜4.0チ、 Al! : 0.3〜1.5%、 Ti:0.1〜1.0チ、 (ただし、Mo+ W : 9.0〜16.5%)、N
1および不可避不純物:残シ、 (以上重量%)からなる組成を有することを特徴とする
N1基耐熱合金。
(1) C: 0.001-0.15%, Ca:O
,0O05~0.05%, Cr: 20.0~26
.. 0%, Co: 4.7-9.4chi, Mo: 5.0-16.0%, W: 05-4.0chi, Al! : 0.3-1.5%, Ti: 0.1-1.0%, (However, Mo+W: 9.0-16.5%), N
1 and an unavoidable impurity: (the above weight %) N1-based heat-resistant alloy.
(2)  C:0.OO1〜0.15チ、1− Ca  :O,0O05〜0.0 5 q6、Cr: 
 20.0〜2 6.0 %、Co:4.’i’ 〜9
.4  %、 MO:  5.0〜1 6.0 %、 W:0.5〜4.0 係、 Ae  :  o3〜1.5  %、 Ti:0.1〜1.0 係、 (ただし、Mo+W : 9.0〜16.5 % )、
Y:0.001〜015%および希土類元素:0、00
1〜015係のうちの1種または28′!、Niおよび
不可避不純物:残シ、 (以上重量%)からなる組成を有することを特徴とする
N1基耐熱合金。
(2) C:0. OO1~0.15chi, 1-Ca:O,0O05~0.05q6,Cr:
20.0-26.0%, Co:4. 'i' ~9
.. 4%, MO: 5.0-16.0%, W: 0.5-4.0%, Ae: o3-1.5%, Ti: 0.1-1.0%, (However, Mo+W : 9.0-16.5%),
Y: 0.001-015% and rare earth elements: 0.00
One of 1 to 015 or 28'! , Ni, and unavoidable impurities: the remainder (the above weight %).
(3)  C:O,0O1−@−0,15%、Ca:0
OO05〜0.05%、 Cr: 20.0〜26.0%、 Co: 4.7〜9.4 %、 Mo:’5.0〜160%、 W:05〜4.0係、 Al!:0.3〜1.5%、 Ti:0.1〜1,0 チ、 (ただし、Mo−)−W : 9.0〜16.596 
)、Nb、V、およびTaのうちの1種または2種以上
:0.01〜1.0%、 Niおよび不可避不純物:残シ、 (以上重量%)からなる組成を有することを特徴とする
N1基耐熱合金。 (41C:O,OO1〜O,l 5チ、Ca :O,0
O05〜0.05 %、Cr : 20.0〜26.0
%、 Co : 4.7〜9.4%、 Mo : 5.0〜16.0 %、 W:05〜4.0チ、 At!:0.3〜1.5%、 Ti:0.1=1.0チ、 (ただし、Mo+W : 9.0−16.5%)、Y 
:O,OO1〜0.15 %および希土類元素二〇00
1〜0.1・5%のうちの1種または2種、Nb、V、
およびTaのうちの1種または2種以上:0.01〜1
.0%、 N1および不可避不純物:残シ、 (以上重量%)からなる組成を有することを特徴とする
Ni基耐熱合金。
(3) C:O,0O1-@-0,15%, Ca:0
OO05~0.05%, Cr: 20.0~26.0%, Co: 4.7~9.4%, Mo: '5.0~160%, W: 05~4.0%, Al! : 0.3~1.5%, Ti: 0.1~1.0%, (However, Mo-)-W: 9.0~16.596
), one or more of Nb, V, and Ta: 0.01 to 1.0%, Ni and unavoidable impurities: the remainder (or more weight %). N1 base heat resistant alloy. (41C:O,OO1~O,l 5chi, Ca:O,0
O05~0.05%, Cr: 20.0~26.0
%, Co: 4.7-9.4%, Mo: 5.0-16.0%, W: 05-4.0%, At! : 0.3-1.5%, Ti: 0.1=1.0chi, (However, Mo+W: 9.0-16.5%), Y
:O,OO1~0.15% and rare earth elements 2,000%
One or two of 1 to 0.1.5%, Nb, V,
and one or more of Ta: 0.01 to 1
.. 0%, N1 and unavoidable impurities: the remainder (the above weight %).
JP20779481A 1981-12-22 1981-12-22 Ni-base heat resistant alloy Granted JPS58110650A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20779481A JPS58110650A (en) 1981-12-22 1981-12-22 Ni-base heat resistant alloy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20779481A JPS58110650A (en) 1981-12-22 1981-12-22 Ni-base heat resistant alloy

Publications (2)

Publication Number Publication Date
JPS58110650A true JPS58110650A (en) 1983-07-01
JPS6134497B2 JPS6134497B2 (en) 1986-08-08

Family

ID=16545598

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20779481A Granted JPS58110650A (en) 1981-12-22 1981-12-22 Ni-base heat resistant alloy

Country Status (1)

Country Link
JP (1) JPS58110650A (en)

Cited By (4)

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Publication number Priority date Publication date Assignee Title
JPS6237334A (en) * 1985-08-12 1987-02-18 Hitachi Ltd Ni alloy
JP2011501793A (en) * 2007-10-09 2011-01-13 マン ターボ アーゲー Components of turbo engines supplied with hot gas
CN104018029A (en) * 2014-05-21 2014-09-03 西安热工研究院有限公司 Rare earth-containing high iron and nickel iron-based double-phase alloy
CN105960473A (en) * 2013-08-06 2016-09-21 日立金属摩材超级合金株式会社 Ni-based alloy, Ni-based alloy for gas turbine combustor, member for gas turbine combustor, member for liner, member for transmission piece, liner, and transmission piece

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6589172B1 (en) 2019-01-11 2019-10-16 吉川工業株式会社 Laminated iron core

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6237334A (en) * 1985-08-12 1987-02-18 Hitachi Ltd Ni alloy
JPH0442461B2 (en) * 1985-08-12 1992-07-13 Hitachi Ltd
JP2011501793A (en) * 2007-10-09 2011-01-13 マン ターボ アーゲー Components of turbo engines supplied with hot gas
CN105960473A (en) * 2013-08-06 2016-09-21 日立金属摩材超级合金株式会社 Ni-based alloy, Ni-based alloy for gas turbine combustor, member for gas turbine combustor, member for liner, member for transmission piece, liner, and transmission piece
EP3031940A4 (en) * 2013-08-06 2017-04-12 Hitachi Metals Mmc Superalloy, Ltd. Ni-based alloy, ni-based alloy for gas turbine combustor, member for gas turbine combustor, member for liner, member for transmission piece, liner, and transmission piece
CN105960473B (en) * 2013-08-06 2018-04-06 日立金属摩材超级合金株式会社 Ni based alloys, gas turbine burner Ni based alloys, gas turbine burner component, cushion member, transition piece component, pad and transition piece
US10208364B2 (en) 2013-08-06 2019-02-19 Hitachi Metals, Ltd. Ni-based alloy, ni-based alloy for gas turbine combustor, member for gas turbine combustor, liner member, transition piece member, liner, and transition piece
CN104018029A (en) * 2014-05-21 2014-09-03 西安热工研究院有限公司 Rare earth-containing high iron and nickel iron-based double-phase alloy

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