JPS6366388B2 - - Google Patents
Info
- Publication number
- JPS6366388B2 JPS6366388B2 JP54127781A JP12778179A JPS6366388B2 JP S6366388 B2 JPS6366388 B2 JP S6366388B2 JP 54127781 A JP54127781 A JP 54127781A JP 12778179 A JP12778179 A JP 12778179A JP S6366388 B2 JPS6366388 B2 JP S6366388B2
- Authority
- JP
- Japan
- Prior art keywords
- powder
- alloy
- wear
- spraying
- sprayed
- 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.)
- Expired
Links
- 239000000843 powder Substances 0.000 claims description 69
- 229910000599 Cr alloy Inorganic materials 0.000 claims description 46
- 238000007750 plasma spraying Methods 0.000 claims description 21
- 239000011812 mixed powder Substances 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 14
- 229910052799 carbon Inorganic materials 0.000 claims description 10
- 229910052750 molybdenum Inorganic materials 0.000 description 21
- 230000013011 mating Effects 0.000 description 20
- 239000011651 chromium Substances 0.000 description 15
- 238000005507 spraying Methods 0.000 description 11
- 238000007747 plating Methods 0.000 description 10
- 229910052804 chromium Inorganic materials 0.000 description 7
- 229910001018 Cast iron Inorganic materials 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000004381 surface treatment Methods 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 239000010705 motor oil Substances 0.000 description 2
- 238000007751 thermal spraying Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000000573 anti-seizure effect Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000002783 friction material Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910001234 light alloy Inorganic materials 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 102200082816 rs34868397 Human genes 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 239000011863 silicon-based powder Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000003746 surface roughness Effects 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
- C23C4/067—Metallic material containing free particles of non-metal elements, e.g. carbon, silicon, boron, phosphorus or arsenic
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、内燃機関用ピストンリング、シリン
ダライナ、エアコンプレツサ等の摺動面に適用し
た場合に最適な摺動部材に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a sliding member that is most suitable for application to sliding surfaces of internal combustion engine piston rings, cylinder liners, air compressors, and the like.
近年、内燃機関において性能を向上させる目的
での高回転、高圧縮化、また軽量化、燃費向上対
策としての軽合金の使用が小型化等の必要から、
耐摩耗性、耐焼付性材料や低摩擦材料の必要性は
大なるものがあり、従来から多くの研究がなされ
ている。
In recent years, due to the need for higher rotation and higher compression in internal combustion engines to improve performance, and the use of light alloys to reduce weight and improve fuel efficiency, the need for miniaturization has increased.
There is a great need for wear-resistant, anti-seizure materials, and low-friction materials, and much research has been conducted in the past.
従来、かかる対策の一つとして、摺動面に金属
酸化物、炭化物をを溶射したり又はメツキにより
耐摩耗性被覆層を形成せしめることは公知であり
その応用例も多い。 Conventionally, as one such countermeasure, it has been known to form a wear-resistant coating layer on the sliding surface by thermal spraying or plating a metal oxide or carbide, and there are many examples of its application.
これをピストンリングを例にとつて考察する
と、従来の表面処理を施したピストンリングとし
ては、鉄系ピストンリング母材の外周面にCr（ク
ロム）メツキ又はMo（モリブデン）溶射を施し
たものがほとんどである。 Considering this using piston rings as an example, piston rings with conventional surface treatment include those with Cr (chromium) plating or Mo (molybdenum) spraying on the outer peripheral surface of the iron-based piston ring base material. Almost.
〔発明が解決しようとする課題〕
ところで、Crメツキピストンリングは、相手
側のシリンダライナ鋳鉄材との耐焼付性が良くな
いために焼付き、スカツフイングを発生し易い。
この不具合を改善すべく、普通鋳鉄にニツケル、
クロム、モリブデン及び／又はボロン、ニオブを
添加した鋳鉄製シリンダライナが用いられている
が、このものは普通鋳鉄（FC材）に比べて加工
性が悪くなり、従つてコスト高となる等別の不具
合を招来している。[Problems to be Solved by the Invention] By the way, Cr-plated piston rings tend to seize and scuff due to poor seizure resistance with the mating cylinder liner cast iron material.
In order to improve this problem, we added nickel to ordinary cast iron.
Cast iron cylinder liners doped with chromium, molybdenum and/or boron and niobium are used, but these have poor workability compared to ordinary cast iron (FC material), and therefore have other problems such as higher costs. It is causing problems.
また、Mo溶射ピストンリングは、相手側のシ
リンダライナ鋳鉄材との耐焼付性は良好である
が、300℃以上の熱負荷がかかるエンジンでは、
Moの酸化によりピストンリング母材と溶射量の
間の密着性に問題が生じかつMo自体が高価なた
めピストンリングが高価となる等の欠点を有して
いる。 In addition, Mo sprayed piston rings have good seizure resistance with the mating cylinder liner cast iron material, but in engines that are subjected to heat loads of 300℃ or more,
The oxidation of Mo causes problems in the adhesion between the piston ring base material and the sprayed amount, and since Mo itself is expensive, the piston rings have disadvantages.
本発明は上記従来技術の欠点を解決するために
なされたものであり、Mo溶射より低コストでか
つ耐摩耗性、密着性に優れ、Crメツキより耐ス
カツフイング性に優れかつ高温時において使用可
能で、相手部材の摩耗量が少なく、ピストンリン
グ、シリンダライナ、ピストン、エアコンプレツ
サ等の各摺動面に適用できる摺動部材を提供する
ことを目的とするものである。 The present invention was made to solve the above-mentioned drawbacks of the conventional technology, and is lower in cost than Mo thermal spraying, has better wear resistance and adhesion, has better scuffing resistance than Cr plating, and can be used at high temperatures. It is an object of the present invention to provide a sliding member that has a small amount of wear on a mating member and can be applied to each sliding surface of a piston ring, cylinder liner, piston, air compressor, etc.
かかる目的は、本発明によれば、母材の表面に
全粉末に対し10〜90wt％のMo粉末と残りの90〜
10wt％のFe−高Cr合金（Fe−55〜70wt％Cr−
3wt％未満Ｃ）粉末との混合粉末をプラズマ溶射
してなる溶射層を設けた如き摺動部材によつて達
成される。
According to the present invention, this purpose is achieved by adding 10 to 90 wt% of Mo powder and the remaining 90 to 90 wt% of the total powder on the surface of the base material.
10wt% Fe-high Cr alloy (Fe-55~70wt%Cr-
This can be achieved by a sliding member provided with a sprayed layer formed by plasma spraying a mixed powder with C) powder.
本発明において、上記Fe−高Cr合金は、Si、
Mn、Ｐ、Ｓ等が一般の炭素鋼程度含まれていて
もさしつかえない。 In the present invention, the Fe-high Cr alloy contains Si,
There is no problem even if Mn, P, S, etc. are contained at the same level as in general carbon steel.
本発明において、Mo粉末と上記Fe−高Cr合金
（Fe−55〜70wt％Cr−3wt％未満Ｃ）粉末を混合
するのは、各粉末の有する利点を利用するためで
ある。即ち、Mo溶射を施したものは、耐焼付荷
重は高いが相手部材の摩耗が多いという欠点を有
し、一方Fe−高Cr合金（Fe−55〜70wt％Cr−
3wt％未満Ｃ）粉末を溶射したものはビツカース
硬さで300〜400とそれ程硬くなく、また耐焼付荷
重はMo溶射程高くないが相手部材の摩耗が少な
いという長所を有する。しかしながら、Ｃ量が
3wt％以上のFe−高Cr合金（Fe−55〜70wt％Cr
−3wt％以上Ｃ）粉末は、自身の摩耗量は少ない
ものの、相手部材の摩耗量が多いという欠点を有
する。これは、Fe−高Cr合金（Fe−55〜70wt％
Cr−3wt％未満Ｃ）粉末は、Ｃ成分が少ないた
め、硬度の高い炭化物を生成しにくいのに対し
て、Fe−高Cr合金（Fe−55〜70wt％Cr−3wt％
以上Ｃ）粉末は、炭化物を生成して硬度が高くな
り、相手部材の摩耗量を増加させることから生ず
る。そこで、Mo粉末とFe−高Cr合金（Fe−55
〜70wt％Cr−3wt％未満Ｃ）粉末を適当量混合
することにより、耐焼付性を向上させ、また相手
部材の摩耗を減少せんと意図したわけである。上
記２種類の粉末を特許請求の範囲に記載されてい
る割合に混合してプラズマ溶射したものは、ビツ
カース硬さで300〜450あり、耐焼付荷重はFe−
高Cr合金（Fe−55〜70wt％Cr−3wt％未満Ｃ）
単独の場合より高くMo溶射を施したものと同程
度の値を示し、相手部材の摩耗をMoのガス溶射
のみを用いたものより大幅に減らすことができ
る。また、自身の摩耗量をMo溶射やFe−高Cr合
金（Fe−55〜70wt％Cr−3wt％未満Ｃ）溶射の
場合より少なくすることができる。
In the present invention, the reason why the Mo powder and the Fe-high Cr alloy (Fe-55 to 70 wt% Cr-less than 3 wt% C) powder are mixed is to utilize the advantages of each powder. In other words, those coated with Mo spraying have a high seizure resistance, but have the disadvantage of causing a lot of wear on the mating parts.
Less than 3 wt% C) Powder sprayed products are not so hard, with a Vickers hardness of 300 to 400, and their seizure resistance is not as high as Mo spraying, but they have the advantage of less wear on mating parts. However, the amount of C
3wt% or more Fe-high Cr alloy (Fe-55~70wt%Cr
-3wt% or more C) Powder has the disadvantage that although the amount of wear on itself is small, the amount of wear on the mating member is large. This is a Fe-high Cr alloy (Fe-55~70wt%
Fe-high Cr alloy (Fe-55~70wt%Cr-3wt%)
C) Powder is generated because it generates carbide, increases hardness, and increases the amount of wear on the mating member. Therefore, Mo powder and Fe-high Cr alloy (Fe-55
By mixing an appropriate amount of ~70 wt% Cr - less than 3 wt% C) powder, it was intended to improve seizure resistance and reduce wear of the mating member. The mixture of the above two types of powders in the proportions stated in the claims and plasma sprayed has a Vickers hardness of 300 to 450 and a seizure resistance of Fe-
High Cr alloy (Fe-55~70wt%Cr-less than 3wt%C)
It shows a value higher than when Mo alone is applied, but comparable to that when Mo is sprayed, and wear on the mating member can be significantly reduced compared to when Mo gas spraying is used alone. Further, the amount of wear of the material itself can be made smaller than that in the case of Mo spraying or Fe-high Cr alloy (Fe-55 to 70 wt% Cr-less than 3 wt% C) spraying.
なお、本発明において、Mo粉末の量を全粉末
に対し10〜90wt％としたのは、Mo粉末の量が
10wt％より少ないと耐焼付性がFe−高Cr合金粉
末（Fe−55〜70wt％Cr−3wt％未満Ｃ）単独の
場合とほぼ同等になり、また90wt％を超えると
相手部材との摩耗性が悪くなるからである。 In addition, in the present invention, the reason why the amount of Mo powder is set to 10 to 90 wt% with respect to the total powder is that the amount of Mo powder is
If it is less than 10wt%, the seizure resistance will be almost the same as that of Fe-high Cr alloy powder (Fe-55 to 70wt%Cr-less than 3wt%C), and if it exceeds 90wt%, the abrasion resistance with the mating material will decrease. This is because it becomes worse.
次に、本発明にかかる摺動部材を実施例に基づ
き実施例のものと比較して具体的に説明する。
Next, the sliding member according to the present invention will be specifically explained based on Examples and compared with those of the Examples.
実施例 １
外径25.6mm、内径20.0mm、厚さ16mmの回転摩耗
試験片のリング端面に、次のＡ〜Ｋの条件で、各
0.25〜0.30mmの厚さとなるように表面処理を行つ
た。Example 1 The ring end face of a rotating wear test piece with an outer diameter of 25.6 mm, an inner diameter of 20.0 mm, and a thickness of 16 mm was coated with each of the following conditions A to K.
Surface treatment was performed to obtain a thickness of 0.25 to 0.30 mm.
Ａ Crメツキ、
Ｂ Moのガス溶射、
Ｃ 5wt％Mo粉末と95wt％Fe−高Cr合金（Fe−
65wt％Cr−0.03wt％Ｃ−0.4wt％Si）粉末の混
合粉末のプラズマ溶射、
Ｄ 30wt％Mo粉末と70wt％Fe−高Cr合金（Ｃ
と同一成分）粉末の混合粉末のプラズマ溶射、
Ｅ 70wt％Mo粉末と30wt％Fe−高Cr合金（Ｃ
と同一成分）粉末の混合粉末のプラズマ溶射、
Ｆ 90wt％Mo粉末と10wt％Fe−高Cr合金（Ｃ
と同一成分）粉末の混合粉末のプラズマ溶射、
Ｇ 100wt％Fe−高Cr合金（Ｃと同一成分）粉末
のプラズマ溶射、
Ｈ 100wt％Fe−高Cr合金（Fe−65wt％Cr−
8.2wt％Ｃ−1.5wt％Si）粉末のプラズマ溶射、
Ｉ 50wt％Mo粉末と50wt％Fe−高Cr合金（Fe
−65wt％Cr−8.2wt％Ｃ−1.5wt％Si）粉末の
混合粉末のプラズマ溶射、
Ｊ 100wt％Fe−高Cr合金（Fe−65wt％Cr−
3.5wt％Ｃ−1.5wt％Si）粉末のプラズマ溶射、
Ｋ 100wt％Fe−高Cr合金（Fe−65wt％Cr−
2.8wt％Ｃ−1.5wt％Si）粉末のプラズマ溶射。A Cr plating, B Mo gas spraying, C 5wt%Mo powder and 95wt%Fe-high Cr alloy (Fe-
Plasma spraying of mixed powder of 65wt%Cr-0.03wt%C-0.4wt%Si) powder, D 30wt%Mo powder and 70wt%Fe-high Cr alloy (C
Plasma spraying of a mixed powder of E 70wt%Mo powder and 30wt%Fe-high Cr alloy (C
Plasma spraying of a mixed powder of F 90wt%Mo powder and 10wt%Fe-high Cr alloy (C
G: Plasma spraying of mixed powder of 100wt%Fe-high Cr alloy (same composition as C) powder, H: 100wt%Fe-high Cr alloy (Fe-65wt%Cr-)
Plasma spraying of 8.2wt%C-1.5wt%Si) powder, I 50wt%Mo powder and 50wt%Fe-high Cr alloy (Fe
-65wt%Cr-8.2wt%C-1.5wt%Si) powder mixed powder plasma spraying, J 100wt%Fe-high Cr alloy (Fe-65wt%Cr-
Plasma spraying of 3.5wt%C-1.5wt%Si) powder, K 100wt%Fe-high Cr alloy (Fe-65wt%Cr-
2.8wt%C-1.5wt%Si) powder plasma spraying.
そして、表面処理後、各々のメツキ面及び溶射
面を研削加工した。これを、相手部材である外径
25.6、内径20mm、厚さ16mmの炭素鋼（JIS S45C）
試験片の端面と接するように設置し、接触面に潤
滑油としてキヤツスルモータオイルSAE30を供
給し、荷重を10Kgから500Kgまで増加させ、焼付
限度荷重、摩擦係数を測定し、表面の損傷状態を
観察した。 After surface treatment, each plated surface and thermal sprayed surface were ground. This is the outer diameter of the mating member.
25.6, inner diameter 20mm, thickness 16mm carbon steel (JIS S45C)
The specimen was installed so that it was in contact with the end surface, supplying cable motor oil SAE30 as a lubricant to the contact surface, increasing the load from 10Kg to 500Kg, measuring the seizure limit load and friction coefficient, and measuring the damage state of the surface. observed.
この結果、Ａ Crメツキ処理した試験片は200
〜250Kgで、C5wt％Mo粉末と95wt％Fe−高Cr合
金粉末をプラズマ溶射したものは400〜425Kgで、
G100wt％Fe−高Cr合金（Fe−65wt％Cr−
0.03wt％Ｃ−0.4wt％Si）粉末をプラズマ溶射し
たものは350〜400Kgで、それぞれ焼付きを発生し
たのに対し、その他のもの、即ちＢ，Ｄ，Ｅ，Ｆ
はすべて500Kgでも焼付きを生じなかつた。また、
Ｈ〜Ｋの焼付き荷重は、次のようであつた。Ｈは
325〜375Kg、Ｉは425〜475Kg、Ｊは325〜375Kg、
Ｋは400〜425Kgであつた。 As a result, the test piece treated with A Cr plating was 200
~250Kg, plasma sprayed with C5wt%Mo powder and 95wt%Fe-high Cr alloy powder weighs 400~425Kg,
G100wt%Fe-high Cr alloy (Fe-65wt%Cr-
0.03wt%C-0.4wt%Si) powder was plasma-sprayed at 350 to 400kg, and seizure occurred, whereas the others, namely B, D, E, and F
No seizure occurred even at 500 kg. Also,
The seizure loads of H to K were as follows. H is
325-375Kg, I is 425-475Kg, J is 325-375Kg,
K was 400-425 kg.
また、摩擦係数で最も大きい値を示したものは
Ｂ Moガス溶射を施したもの、C5wt％Mo粉末
と95wt％Fe−高Cr合金（Fe−65wt％Cr−0.03wt
％Ｃ−0.4wt％Si）粉末の混合粉末をプラズマ溶
射したもの及びG100wt％Fe−高Cr合金（Fe−
65wt％Cr−0.03wt％Ｃ−0.4wt％Si）粉末をプラ
ズマ溶射したものであり、D30wt％Mo粉末と
70wt％Fe−高Cr合金（Fe−65wt％Cr−0.03wt％
Ｃ−0.4wt％Si）粉末の混合粉末、E70wt％Mo粉
末と30wt％Fe−高Cr合金（Fe−65wt％Cr−
0.03wt％Ｃ−0.4wt％Si）粉末の混合粉末、
F90wt％Mo粉末と10wt％Fe−高Cr合金（Fe−
65wt％Cr−0.03wt％Ｃ−0.4wt％Si）粉末の混合
粉末をそれぞれプラズマ溶射したものがこれに次
ぎ、最も低かつたのはＡ Crメツキ処理を施し
たものであつた。また、Ｈ〜Ｋの摩擦係数値は、
次のようであつた。ＨおよびＪはＢとＣの中間の
値、ＩはＤと同等、ＫはＧと同等であつた。 Also, the one with the largest friction coefficient was the one with B Mo gas spraying, C5wt%Mo powder and 95wt%Fe-high Cr alloy (Fe-65wt%Cr-0.03wt
%C-0.4wt%Si) powder by plasma spraying and G100wt%Fe-high Cr alloy (Fe-
65wt%Cr-0.03wt%C-0.4wt%Si) powder was plasma sprayed, and D30wt%Mo powder and
70wt%Fe-high Cr alloy (Fe-65wt%Cr-0.03wt%
Mixed powder of C-0.4wt%Si) powder, E70wt%Mo powder and 30wt%Fe-high Cr alloy (Fe-65wt%Cr-
0.03wt%C-0.4wt%Si) powder mixed powder,
F90wt%Mo powder and 10wt%Fe-high Cr alloy (Fe-
The next lowest value was obtained by plasma spraying a mixed powder of 65wt%Cr-0.03wt%C-0.4wt%Si powder, followed by the ACr plating treatment. In addition, the friction coefficient values of H to K are
It looked like this: H and J were intermediate values between B and C, I was equivalent to D, and K was equivalent to G.
実施例 ２
８mmのサイコロの一端面に、実施例１と同一条
件で、実施例１と同一のＡ〜Ｋの処理を各0.25〜
0.30mmの厚さで行い、各溶射面を研削加工した。
これを摺動摩耗試験機にかけ、相手材である外径
50mm、内径30mm、幅10mmの鋳鉄（JIS FC25）の
試験片の外周面と接触させ、キヤツスルモータオ
イルSAE30を供給しながら回転数225rpm（0.59
ｍ／SEC）、荷重100Kgで１時間摩耗試験を行つ
た。Example 2 One end surface of an 8 mm dice was treated with A to K, which was the same as in Example 1, by 0.25 to 0.25% each under the same conditions as in Example 1.
This was done to a thickness of 0.30 mm, and each sprayed surface was ground.
This was subjected to a sliding wear tester, and the outer diameter of the mating material was
It was brought into contact with the outer circumferential surface of a cast iron (JIS FC25) specimen with a diameter of 50 mm, an inner diameter of 30 mm, and a width of 10 mm, and the rotation speed was 225 rpm (0.59 rpm) while supplying cable motor oil SAE30.
m/SEC), a wear test was conducted for 1 hour at a load of 100 kg.
この結果を第１図に示す。第１図において、上
方は相手部材の摩耗量（mg）を、下方はサイコロ
端面の摩耗量（摩耗痕幅mm）を表し、Ａ〜Ｋの符
号は実施例で用いた溶射材料等の符号と一致させ
てあり、各々摩耗結果を示している。この第１図
と試験中におけるサイクロ端面の観察により以下
のことが判つた。 The results are shown in FIG. In Fig. 1, the upper part represents the wear amount (mg) of the mating member, the lower part represents the wear amount (wear scar width mm) of the die end face, and the symbols A to K are the symbols of the thermal spray materials used in the examples. They are matched, and the wear results are shown for each. From the observation of FIG. 1 and the cyclo end face during the test, the following was found.
Ａ Crメツキ処理を施したサイコロ端面は10
分程度で発煙を生じ焼付き気味であつた。また、
Crメツキはビツカース硬さで900〜1100であり、
硬いため自身の摩耗量は少なかつたが、相手部材
の摩耗は試験材料の中では最も多かつた。 A The end face of the dice with Cr plating treatment is 10
After about a minute, smoke started to appear and it looked like it was seizing up. Also,
Crmetsuki has a Bitkers hardness of 900 to 1100,
Because it was hard, the amount of wear on itself was small, but the amount of wear on the mating member was the highest among the test materials.
H100wt％Fe−高Cr合金（Fe−65wt％Cr−
8.2wt％Ｃ−1.5wt％Si）粉末、I50wt％Mo粉末と
50wt％Fe−高Cr合金（Fe−65wt％Cr−8.2wt％
Ｃ−1.5wt％Si）粉末の混合粉末、J100wt％Fe−
高Cr合金（Fe−65wt％Cr−3.5wt％Cr−1.5wt％
Si）粉末のものも、Ｃ量が3wt％以上であるため
自身の摩耗量は少なかつたが、相手材の摩耗量は
多かつた。 H100wt%Fe-high Cr alloy (Fe-65wt%Cr-
8.2wt%C-1.5wt%Si) powder, I50wt%Mo powder and
50wt%Fe-high Cr alloy (Fe-65wt%Cr-8.2wt%
C-1.5wt%Si) powder mixed powder, J100wt%Fe-
High Cr alloy (Fe-65wt% Cr-3.5wt% Cr-1.5wt%
In the case of Si) powder, the amount of wear on itself was small because the amount of C was 3wt% or more, but the amount of wear on the mating material was large.
Ｂ Moのガス溶射を施したものは、硬さがビ
ツタース硬さで600〜800であり、焼付きは生じな
かつたが自身の摩耗が多く、また溶射層の面粗れ
のため相手部材の摩耗を多くした。 The hardness of B Mo gas-sprayed parts was 600 to 800 on the Bitters scale, and although seizure did not occur, there was a lot of wear on the parts themselves, and the surface roughness of the sprayed layer caused wear on the mating parts. increased.
C5wt％Mo粉末と95wt％Fe−高Cr合金（Fe−
65wt％Cr−0.03wt％Ｃ−0.4wt％Si）粉末の混合
粉末、G100wt％Fe−高Cr合金（Fe−65wt％Cr
−0.03wt％Ｃ−0.4wt％Si）粉末、K100wt％Fe
−高Cr合金（Fe−65wt％Cr−2.8wt％Ｃ−1.5wt
％Si）粉末をそれぞれプラズマ溶射したものは、
ともに硬さがビツカース硬さで300〜450と低く、
焼付きがおこらずまた相手部材の摩耗も少なかつ
たが自身の摩耗が多かつた。 C5wt%Mo powder and 95wt%Fe-high Cr alloy (Fe-
Mixed powder of 65wt%Cr-0.03wt%C-0.4wt%Si) powder, G100wt%Fe-high Cr alloy (Fe-65wt%Cr
-0.03wt%C-0.4wt%Si) powder, K100wt%Fe
-High Cr alloy (Fe-65wt%Cr-2.8wt%C-1.5wt
%Si) powder was plasma sprayed,
Both have a low hardness of 300 to 450 on the Bitker's scale.
Seizing did not occur and there was little wear on the mating parts, but there was a lot of wear on the parts themselves.
これに対し、本発明にかかるD30wt％Mo粉末
と70wt％Fe−高Cr合金（Fe−65wt％Cr−0.03wt
％Ｃ−0.4wt％Si）粉末の混合粉末、E70wt％Mo
粉末と30wt％Fe−高Cr合金（Fe−65wt％Cr−
0.03wt％Ｃ−0.4wt％Si）粉末の混合粉末、
F90wt％Mo粉末と10wt％Fe−高Cr合金（Fe−
65wt％Cr−0.03wt％Ｃ−0.4wt％Si）粉末の混合
粉末をそれぞれプラズマ溶射したものは、焼付き
がみられず、自身の摩耗もＢ Moのガス溶射を
施したものやG100wt％Fe−高Cr合金（Fe−
65wt％Cr−0.03wt％Ｃ−0.4wt％Si）粉末をプラ
ズマ溶射したものより格段に少なく、また相手部
材の摩耗も少なかつた。 In contrast, D30wt%Mo powder and 70wt%Fe-high Cr alloy (Fe-65wt%Cr-0.03wt) according to the present invention
%C-0.4wt%Si) powder mixed powder, E70wt%Mo
Powder and 30wt%Fe-high Cr alloy (Fe-65wt%Cr-
0.03wt%C-0.4wt%Si) powder mixed powder,
F90wt%Mo powder and 10wt%Fe-high Cr alloy (Fe-
65wt%Cr - 0.03wt%C - 0.4wt%Si) powders that were plasma-sprayed did not show any seizure, and their wear was also lower than those that were sprayed with B Mo gas sprayed or G100wt%Fe. −High Cr alloy (Fe−
65 wt% Cr - 0.03 wt % C - 0.4 wt % Si) powder was significantly less than that obtained by plasma spraying, and there was also less wear on the mating member.
以上述べた如く、本発明にかかる摺動部材は、
それ自身優れた耐摩耗性、耐焼付性を有するとと
もに相手部材の摩耗を最小限に抑えられるという
優れた利点を有するものであり、耐摩耗性、耐焼
付性を要求される厳しい条件下の摺動部材として
最適のものである。
As described above, the sliding member according to the present invention is
It itself has excellent wear resistance and seizure resistance, and has the excellent advantage of minimizing the wear of mating parts, and is suitable for sliding under severe conditions that require wear resistance and seizure resistance. It is most suitable as a moving member.
以下に、本発明の効果を列挙する。 The effects of the present invention are listed below.
(1) 耐摩耗性は従来のMo溶射やCrメツキ処理を
施したものより優れている。(1) Wear resistance is superior to conventional Mo spraying and Cr plating treatments.
(2) 耐スカツフイツング性は従来のCrメツキ処
理を施したものより優れている。(2) The cut-fitting resistance is superior to that of conventional Cr plating.
(3) 従来のMo溶射に比べ低コストで製造でき
る。(3) It can be manufactured at a lower cost than conventional Mo spraying.
(4) 相手部材の摩耗量を少なくすることができ
る。(4) The amount of wear on the mating member can be reduced.
第１図は、本発明における実施例２の摩耗試験
結果を示すグラフである。
図中、ＡはCrメツキを、ＢはMoのガス溶射
を、Ｃは5wt％Mo粉末と95wt％Fe−高Cr合金
（Fe−65wt％Cr−0.03wt％Ｃ−0.4wt％Si）粉末
の混合粉末のプラズマ溶射を、Ｄは30wt％Mo粉
末と70wt％Fe−高Cr合金（Fe−65wt％Cr−
0.03wt％Ｃ−0.4wt％Si）粉末の混合粉末のプラ
ズマ溶射を、Ｅは70wt％Mo粉末と30wt％Fe−
高Cr合金（Fe−65wt％Cr−0.03wt％Ｃ−0.4wt
％Si）粉末の混合粉末のプラズマ溶射を、Ｆは
90wt％Mo粉末と10wt％Fe−高Cr合金（Fe−
65wt％Cr−0.03wt％Ｃ−0.4wt％Si）粉末の混合
粉末のプラズマ溶射を、Ｇは100wt％Fe−高Cr合
金（Fe−65wt％Cr−0.03wt％Ｃ−0.4wt％Si）粉
末のプラズマ溶射を、Ｈは100wt％Fe−高Cr合金
（Fe−65wt％Cr−8.2wt％Ｃ−1.5wt％Si）粉末の
プラズマ溶射を、Ｉは50wt％Mo粉末と50wt％
Fe−高Cr合金（Fe−65wt％Cr−8.2wt％Ｃ−
1.5wt％Si）粉末の混合粉末のプラズマ溶射を、
Ｊは100wt％Fe−高Cr合金（Fe−65wt％Cr−
3.5wt％Ｃ−1.5wt％Si）粉末のプラズマ溶射を、
Ｋは100wt％Fe−高Cr合金（Fe−65wt％Cr−
2.8wt％Ｃ−1.5wt％Si）粉末のプラズマ溶射を、
それぞれサイコロ端面に施して摩耗試験を行つた
ときの、自身と相手部材の各々の摩耗量を示す。
FIG. 1 is a graph showing the wear test results of Example 2 of the present invention. In the figure, A is Cr plating, B is Mo gas spraying, and C is 5wt%Mo powder and 95wt%Fe-high Cr alloy (Fe-65wt%Cr-0.03wt%C-0.4wt%Si) powder. D is plasma spraying of mixed powder, D is 30wt%Mo powder and 70wt%Fe-high Cr alloy (Fe-65wt%Cr-
Plasma spraying of a mixed powder of 0.03wt%C-0.4wt%Si) powder, E is 70wt%Mo powder and 30wt%Fe-
High Cr alloy (Fe-65wt%Cr-0.03wt%C-0.4wt
%Si) powder mixed powder plasma spraying, F
90wt%Mo powder and 10wt%Fe-high Cr alloy (Fe-
G is plasma spraying of mixed powder of 65wt%Cr-0.03wt%C-0.4wt%Si) powder, G is 100wt%Fe-high Cr alloy (Fe-65wt%Cr-0.03wt%C-0.4wt%Si) powder H is plasma spraying of 100wt% Fe-high Cr alloy (Fe-65wt%Cr-8.2wt%C-1.5wt%Si) powder, I is 50wt% Mo powder and 50wt%
Fe-high Cr alloy (Fe-65wt%Cr-8.2wt%C-
Plasma spraying of mixed powder of 1.5wt%Si) powder,
J is 100wt%Fe-high Cr alloy (Fe-65wt%Cr-
3.5wt%C-1.5wt%Si) powder plasma spraying,
K is 100wt%Fe-high Cr alloy (Fe-65wt%Cr-
2.8wt%C-1.5wt%Si) powder plasma spraying,
The amount of wear on the die itself and on its counterpart when a wear test was performed on the end face of each die is shown.
Claims (1)
Mo粉末と残りの90〜10wt％のFe−高Cr合金
（Fe−55〜70wt％Cr−3wt％未満Ｃ）粉末との混
合粉末をプラズマ溶射してなる溶射層を設けたこ
とを特徴とする摺動部材。1. On the surface of the base material, 10 to 90 wt% of the total powder is applied.
It is characterized by providing a sprayed layer formed by plasma spraying a mixed powder of Mo powder and the remaining 90 to 10 wt% Fe-high Cr alloy (Fe-55 to 70 wt% Cr-less than 3 wt% C) powder. sliding member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12778179A JPS5651563A (en) | 1979-10-02 | 1979-10-02 | Sliding member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12778179A JPS5651563A (en) | 1979-10-02 | 1979-10-02 | Sliding member |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5651563A JPS5651563A (en) | 1981-05-09 |
| JPS6366388B2 true JPS6366388B2 (en) | 1988-12-20 |
Family
ID=14968515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12778179A Granted JPS5651563A (en) | 1979-10-02 | 1979-10-02 | Sliding member |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5651563A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5923864A (en) * | 1982-07-28 | 1984-02-07 | Toyota Motor Corp | Sliding member |
| JPS5956572A (en) * | 1982-09-27 | 1984-04-02 | Mitsubishi Heavy Ind Ltd | Surface treatment by molybdenum |
| US7094474B2 (en) * | 2004-06-17 | 2006-08-22 | Caterpillar, Inc. | Composite powder and gall-resistant coating |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54112346A (en) * | 1978-02-22 | 1979-09-03 | Toyota Motor Corp | Sliding member |
-
1979
- 1979-10-02 JP JP12778179A patent/JPS5651563A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54112346A (en) * | 1978-02-22 | 1979-09-03 | Toyota Motor Corp | Sliding member |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5651563A (en) | 1981-05-09 |
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