JPH03115587A - Production of remelted cam shaft - Google Patents
Production of remelted cam shaftInfo
- Publication number
- JPH03115587A JPH03115587A JP24910689A JP24910689A JPH03115587A JP H03115587 A JPH03115587 A JP H03115587A JP 24910689 A JP24910689 A JP 24910689A JP 24910689 A JP24910689 A JP 24910689A JP H03115587 A JPH03115587 A JP H03115587A
- Authority
- JP
- Japan
- Prior art keywords
- cam
- remelted
- residual stress
- shaft
- camshaft
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 238000000034 method Methods 0.000 claims description 25
- 229910045601 alloy Inorganic materials 0.000 abstract description 13
- 239000000956 alloy Substances 0.000 abstract description 13
- 239000000843 powder Substances 0.000 abstract description 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 abstract description 6
- 239000004925 Acrylic resin Substances 0.000 abstract description 3
- 229920000178 Acrylic resin Polymers 0.000 abstract description 3
- 229910001018 Cast iron Inorganic materials 0.000 abstract description 3
- 238000005275 alloying Methods 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 2
- 239000012299 nitrogen atmosphere Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 10
- 239000002184 metal Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000010410 layer Substances 0.000 description 7
- 239000002344 surface layer Substances 0.000 description 6
- 238000003466 welding Methods 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010894 electron beam technology Methods 0.000 description 3
- 229910000734 martensite Inorganic materials 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000003522 acrylic cement Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は再溶融法により表面硬化させる再溶融カムシャ
フトの製造方法に関し、特に高出力エンジンに使用され
るカムシャフトの耐摩耗性、耐ピツチング性の向上を図
った再溶融カムシャフトの製造方法に関する。Detailed Description of the Invention (Industrial Application Field) The present invention relates to a method for manufacturing a remelted camshaft whose surface is hardened by a remelting method, and in particular to a method for manufacturing a remelted camshaft that hardens the surface by a remelting method, and in particular improves the wear resistance and pitting resistance of camshafts used in high-output engines. The present invention relates to a method of manufacturing a remelted camshaft with improved properties.
（従来の技術）
近年エンジンの出力は急速に高出力化しており、この高
出力化に伴い、カムシャフトのカム部には、より高い面
圧が加わるようになってきている。(Prior Art) Engine output has been rapidly increasing in recent years, and with this increase in output, higher surface pressure is being applied to the cam portion of the camshaft.
このため、カム部の耐摩耗性、耐熱性、耐腐食性等の物
性を向上さ、せるべく、カムシャフトは従来、次のよう
な方法にて製造されていた。For this reason, in order to improve the physical properties of the cam portion, such as wear resistance, heat resistance, and corrosion resistance, camshafts have conventionally been manufactured by the following method.
（１）カム部を形成する金属基材の表面層を、レーザビ
ーム、電子ビーム等のビーム熱エネルギやＴＩＧ溶接等
のアーク熱エネルギ等で再溶融して硬化させ、金属基材
表面に耐摩耗性合金チル層を形成する方法。(1) The surface layer of the metal base material that forms the cam part is remelted and hardened using beam heat energy such as a laser beam or electron beam, or arc heat energy such as TIG welding, so that the surface of the metal base material has wear resistance. Method of forming a chilled alloy layer.
（２）カム部を形成する金属基材の表面に、高合金化用
の金属粉末を、粉末のまま供給したり、溶媒に分散させ
てコーティングしたりあるいはバインダーでシート化し
て貼付するかした後、これら高合金化用の金属粉末と共
に金属基材表面を、レーザビーム、電子ビーム等のビー
ム熱エネルギやＴＩＧ溶接等のアーク熱エネルギ等で再
溶融し、金属基材表面に耐摩耗性高合金チル層を形成す
る方法。(2) After applying high-alloying metal powder to the surface of the metal base material that forms the cam part, by supplying it as a powder, dispersing it in a solvent and coating it, or forming it into a sheet with a binder and pasting it. The surface of the metal base material is remelted together with these metal powders for high alloying using beam heat energy such as a laser beam or electron beam, or arc heat energy such as TIG welding, and a wear-resistant high alloy is formed on the surface of the metal base material. How to form a chill layer.
以上のような再溶融法によって得られるチル層は微細な
組織であり、カムシャフトのカム部に優れた耐摩耗性、
耐熱性、耐腐食性等の物性を付与する。The chilled layer obtained by the remelting method described above has a fine structure and provides excellent wear resistance and
Provides physical properties such as heat resistance and corrosion resistance.
尚、合金粉末シートによる再溶融チルの生成については
、特開昭６０−２３０９８６号公報等に開示されている
。Note that the generation of remelted chill using an alloy powder sheet is disclosed in Japanese Patent Application Laid-Open No. 60-230986 and the like.
（発明が解決しようとする課題）
しかし、上述した（１）、（２）の方法は、いずれも金
属基材の表面層をビーム熱エネルギやアーク熱エネルギ
等で急激に加熱して再溶融するため、次のような問題が
ある。(Problem to be Solved by the Invention) However, in both methods (1) and (2) described above, the surface layer of the metal base material is rapidly heated and remelted using beam thermal energy, arc thermal energy, etc. Therefore, the following problems arise.
すなわち、カムシャフトのカム部表面層に、再溶融時の
熱歪により引張残留応力が発生する。That is, tensile residual stress is generated in the surface layer of the cam portion of the camshaft due to thermal strain during remelting.
しかも、このような熱エネルギに晒されるカム部表面層
の熱影響部がマルテンサイトに変態するため、カム部表
面層の引張残留応力が増加する。Moreover, since the heat-affected zone of the cam surface layer exposed to such thermal energy transforms into martensite, the tensile residual stress of the cam surface layer increases.
また−数的には、再溶融処理の後にカム部の表面層に対
して仕上げ研削加工を施すが、この仕上げ研削加工によ
っても残留応力、が発生する。Furthermore, numerically speaking, after the remelting process, the surface layer of the cam portion is subjected to finish grinding, but this finish grinding also generates residual stress.
従って、製品化されるカムシャフトには、上記の熱歪及
びマルテンサイト変態に基因する引張残留応力に、研削
加工による残留応力が加わり、大きな残留応力が存在す
ることとなる。Therefore, the camshaft produced as a product has a large residual stress due to the addition of the residual stress due to the grinding process to the tensile residual stress caused by the thermal strain and martensitic transformation described above.
そしてこの大きな残留応ノコにより、エンジン運転中カ
ムシャフトのカムノーズ部にピッチングが発生し、その
剥離材が周辺部材に巻き込まれてしまうといった事故が
発生するおそれがあった。またこのようなピッチングに
より、カム部の接触長さが縮小化し、これに伴ってカム
部の面圧が増大し、結果的にカム部の異常摩耗を誘発す
る可能性もあった。Due to this large residual saw, pitching may occur in the cam nose portion of the camshaft during engine operation, and there is a risk that an accident may occur in which the peeling material is caught in surrounding members. Moreover, due to such pitching, the contact length of the cam part is reduced, and the surface pressure of the cam part increases, which may result in abnormal wear of the cam part.
本発明は以上の諸点に鑑みてなされたものであって、そ
の目的とするところは、カム部表面に再溶融合金チル層
を形成して製造されるカムシャフトにピッチングが発生
するのを規制できる（すなわち、耐ピツチング性に優れ
る）と共に、耐摩耗性にも優れる再溶融カムシャフトの
製造方法を提案するにある。The present invention has been made in view of the above points, and its purpose is to prevent pitching from occurring in camshafts manufactured by forming a chilled layer of remelted alloy on the surface of the cam portion. The purpose of the present invention is to propose a method for manufacturing a remelted camshaft that has excellent pitting resistance and wear resistance.
（課題を解決するための手段）
本発明に係る再溶融カムシャフトの製造方法は、上記目
的を達成するために、カム部表面を再溶融処理してカム
シャフトを製造する方法において、カム部表面に複数の
溝を形成し、溝形成面に再溶融処理を施すことを特徴と
する。(Means for Solving the Problems) In order to achieve the above object, the method for manufacturing a remelted camshaft according to the present invention includes a method for manufacturing a camshaft by remelting the surface of a cam portion. The method is characterized in that a plurality of grooves are formed in the groove, and the groove-formed surface is subjected to remelting treatment.
（作 用）
本発明では先ず、再溶融処理するカム部表面に複数の溝
を形成しておく。(Function) In the present invention, first, a plurality of grooves are formed on the surface of the cam portion to be remelted.
その後この溝形成面を、上述した方法（１）。Thereafter, this grooved surface is processed by the method (1) described above.
（２）と同様にして再溶融処理する。Remelting treatment is performed in the same manner as in (2).
この再溶融処理において、溶融池が形成されるカム部の
表面部分に前述の熱歪やマルテンサイト変態によって発
生する引張応力が、これら溝の部分で遮断される。In this remelting process, the tensile stress generated in the surface portion of the cam portion where the molten pool is formed due to the aforementioned thermal strain and martensitic transformation is blocked by these groove portions.
従って引張応力は、溶融池が形成されるカム部の表面部
分にのみ止まり、溶融池が形成されない表面部分や既に
再溶融処理されて冷却硬化している部分には、波及しな
い。Therefore, the tensile stress is limited only to the surface portion of the cam portion where the molten pool is formed, and does not spread to the surface portion where the molten pool is not formed or the portion that has already been remelted and cooled and hardened.
また溶融池が形成される表面部分に発生する引張応力は
、溶融池が大きい程大きくなるが、本発明では溶融池自
体が溝により遮断されるため、溶融池の大きさに制約が
加えられることになる。Furthermore, the tensile stress generated in the surface area where the molten pool is formed increases as the molten pool becomes larger, but in the present invention, the molten pool itself is blocked by the groove, so there are restrictions on the size of the molten pool. become.
従って、上記の溶融池が形成されるカム部の表面部分に
発生する引張応力も極く僅かな無視し得る程度に過ぎず
、カム部全体としての引張残留応力は極く小さいものと
なる。Therefore, the tensile stress generated in the surface portion of the cam portion where the above-mentioned molten pool is formed is only negligible, and the tensile residual stress of the cam portion as a whole is extremely small.
なお、再溶融処理により溝も溶融されて消失するため、
再溶融処理後のカム部表面は溝のない平坦なものとなる
。In addition, as the grooves are also melted and disappear during the remelting process,
The surface of the cam portion after the remelting process becomes flat without grooves.
以上の結果本発明では、再溶融処理後のカム部表面には
極めて小さい引張残留応力しか発生しておらず、しかも
このカム部表面には微細組織の耐摩耗性（高）合金チル
層が形成され、カム部表面の耐摩耗特性、耐ピッチング
特性、耐熱性、耐腐食性等の物性が向上する。As a result of the above, in the present invention, only an extremely small tensile residual stress is generated on the surface of the cam part after remelting treatment, and a chill layer of a wear-resistant (high) alloy with a microstructure is formed on the surface of the cam part. This improves the physical properties of the cam surface, such as wear resistance, pitting resistance, heat resistance, and corrosion resistance.
このような作用を発揮させるためには、溝の大きさ及び
設置間隔を、溶融池の大きさ（すなわち、レーザビーム
、電子ビーム、ＴＩＧ溶接等の再溶融処理時に使用する
熱源の投射面積）によって種々設定する必要があるが、
溝間隔が狭すぎると巨視的には手用となって溝を形成す
る技術的意義がなくなり、逆にｔＲ間隔が広すぎると引
張応力及び溶融池の遮断効果がなくなってしまう。In order to achieve this effect, the size and spacing of the grooves must be determined depending on the size of the molten pool (i.e., the projected area of the heat source used during remelting processing such as laser beam, electron beam, and TIG welding). Various settings are required, but
If the groove spacing is too narrow, macroscopically it becomes a manual process, and there is no technical significance in forming the grooves.On the other hand, if the tR spacing is too wide, the effect of blocking tensile stress and the molten pool is lost.
ＴＩＧ溶接を用いる場合について述べると、例えば幅０
． ５〜１．５１１１ｍ、深さ０．５〜１．５ｍｓの溝
で、溝間隔４〜６龍が好ましい。When using TIG welding, for example, the width is 0.
．． Preferably, the grooves are 5 to 1.5111 m long and 0.5 to 1.5 ms deep, with a groove spacing of 4 to 6 grooves.
また、溝の形状は特に特定されるものではなく、半矩形
、半円形、蟻溝等どのような形状であってもよく、また
溝の設置方向も特に限定されるものではなく、カムシャ
フトの軸方向、斜め方向、ジグザグ方向等各種の方向が
適用される。Further, the shape of the groove is not particularly specified, and may be any shape such as semi-rectangular, semi-circular, dovetail groove, etc. Also, the installation direction of the groove is not particularly limited, and it can be Various directions such as axial direction, diagonal direction, and zigzag direction are applicable.
（実 施 例） 以下に、本発明の好適な実施例について詳述する。(Example) Below, preferred embodiments of the present invention will be described in detail.
実施例１
第１図（Ａ）の斜視図と同図（Ｂ）の断面図に示すよう
に、鋳鉄製カムシャフト基材１のカム部２の表面を研削
して黒皮を除去した後、カムノーズ部２ａからランプ部
２ｂにかけて、幅ＩＩｌ■、深さ１龍の複数の溝３を間
隔６１１１１で形成する（第２図、ステップ１参照）。Example 1 As shown in the perspective view of FIG. 1 (A) and the cross-sectional view of FIG. From the cam nose part 2a to the ramp part 2b, a plurality of grooves 3 having a width of IIl and a depth of one inch are formed at intervals of 61111 (see Step 1 in FIG. 2).
この鋳鉄製カムシャフト基材１を第２図のステップに従
って処理し、カムシャフトを製造する。This cast iron camshaft base material 1 is processed according to the steps shown in FIG. 2 to manufacture a camshaft.
第２図において、上述したステップ１の鋳鉄製カムシャ
フト基材１のカム部２の表面に、ステップ２にて、図示
しないアクリル系の接着テープで合金粉末シート４を接
着固定する。In FIG. 2, in step 2, an alloy powder sheet 4 is adhesively fixed to the surface of the cam portion 2 of the cast iron camshaft base material 1 in step 1 using an acrylic adhesive tape (not shown).
この合金粉末シート４は、その組成がＭｏ；２゜５〜１
５．Ｏｗｔ％ｒ Ｐ； ０．５〜３．Ｏｖｔ％、Ｃｒ
；１０ｗｔ％以下、 Ｃ； １． ５〜５． Ｏｖｔ％
、Ｆｅ；残で、粒度が１００メツシユアンダーの合金粉
末とアセトンで希釈したアクリル樹脂とを混練後、厚さ
０．１〜１，０關でシート状に成形したものである。This alloy powder sheet 4 has a composition of Mo; 2°5 to 1
5. Owt%rP; 0.5-3. Ovt%, Cr
; 10 wt% or less, C; 1. 5-5. Ovt%
, Fe: The remainder is obtained by kneading an alloy powder with a particle size of 100 mesh under and an acrylic resin diluted with acetone, and then molding it into a sheet with a thickness of 0.1 to 1.0 mm.
そしてこのシートを接着固定した後、カムシャフト基材
１を窒素ガスの雰囲気内で１時間、温度３００℃で脱ろ
う処理し、アセトン、アクリル樹脂を除去する。After this sheet is adhesively fixed, the camshaft base material 1 is subjected to dewaxing treatment at a temperature of 300° C. for one hour in a nitrogen gas atmosphere to remove acetone and acrylic resin.
この後ステップ３にて、表１の条件でＴＩＧトーチ５先
端の電極６からのアーク熱にて高合金再溶融処理し、耐
摩耗性高合金チル層１４を形成する。Thereafter, in step 3, the high alloy is remelted using arc heat from the electrode 6 at the tip of the TIG torch 5 under the conditions shown in Table 1 to form a wear-resistant high alloy chilled layer 14.
表１
高合金再溶融処理のＴ
■
Ｇ条件
そして、ステップ４にて処理部分を研削加工し、耐摩耗
性高合金チル層１４の表面を平滑面１４．ａとする。Table 1 T ■ G conditions of high alloy remelting treatment Then, in step 4, the treated part is ground, and the surface of the wear-resistant high alloy chill layer 14 is smoothed to the smooth surface 14. Let it be a.
このようにして製造されたカムシャフトのカムノーズ部
２ａにつき、ひずみゲージ法にて残留応力の測定を行っ
たところ、表２に示すように９ｋｇｒ／−の引張残留応
力があり、後述する比較例の溝３を形成していないカム
シャフトのカムノーズ部に比べ、引張残留応力が４０％
も減少した。When the residual stress of the cam nose portion 2a of the camshaft manufactured in this way was measured using the strain gauge method, there was a tensile residual stress of 9 kgr/- as shown in Table 2, and it was found that there was a tensile residual stress of 9 kgr/- as shown in Table 2. Tensile residual stress is 40% compared to the cam nose of a camshaft that does not have groove 3.
It also decreased.
実施例２
溝３の間隔を４ ＋ｕとする以外は実施例１と全く同様
にしてカムシャフトを製造し、このカムシャフトのカム
ノーズ部２ａにつき、同様のひずみゲージ法にて残留応
力の測定を行った。Example 2 A camshaft was manufactured in exactly the same manner as in Example 1 except that the interval between the grooves 3 was set to 4 + u, and the residual stress was measured using the same strain gauge method on the cam nose portion 2a of this camshaft. Ta.
この結果を、表２に合わせて示す。The results are also shown in Table 2.
同表から明らかなように本例では１０ｋｇｒ／−の引張
残留応力があり、比較例の満３を形成していないカムシ
ャフトのカムノーズ部に比べ、引張残留応力が３０％減
少した。As is clear from the table, there was a tensile residual stress of 10 kgr/- in this example, and the tensile residual stress was reduced by 30% compared to the cam nose portion of the camshaft in the comparative example, which did not form a full 3.
比較例
溝３を形成しない以外は実施例１と全く同様にしてカム
シャフトを製造し、このカムシャフトのカムノーズ部に
つき、同様のひずみゲージ法にて残留応力の測定を行っ
た。Comparative Example A camshaft was manufactured in exactly the same manner as in Example 1, except that the groove 3 was not formed, and the residual stress of the cam nose portion of this camshaft was measured using the same strain gauge method.
この結果を、表２に合わせて示す。The results are also shown in Table 2.
同表から明らかなように、溝３を形成しなかった場合１
５ｋｇｆ／ｓｉもの引張残留応力が確認された。As is clear from the table, if groove 3 is not formed, 1
A tensile residual stress of 5 kgf/si was confirmed.
表２
（発明の効果）
以上詳述した本発明によれば、再溶融処理するに先立っ
てカム部表面に形成する複数の溝が、再溶融処理の際に
再溶融処理部分、すなわち溶融池に発生する引張応力を
遮断するため、引張応力の増加を抑えることができる。Table 2 (Effects of the Invention) According to the present invention described in detail above, the plurality of grooves formed on the surface of the cam portion prior to the remelting treatment are formed in the remelted portion, that is, the molten pool, during the remelting treatment. Since the generated tensile stress is blocked, an increase in the tensile stress can be suppressed.
この結果、製品化されるカムシャフトには大きな引張残
留応力が存在せず、ピッチングが発生するのを効果的に
抑制することができ、耐摩耗特性、耐ピツチング特性に
優れたカムシャフトを製造することができる。As a result, there is no large tensile residual stress in the manufactured camshaft, and the occurrence of pitting can be effectively suppressed, making it possible to manufacture camshafts with excellent wear resistance and pitting resistance. be able to.
第１図（Ａ）は本発明の実施例に係るカムシャフトのカ
ム部表面に形成した複数の溝の状態を示す斜視図、第１
図（Ｂ）は同図（Ａ）のカム部の断面図、第２図は本発
明の実施例におけるカムシャフトの製造工程を示す工程
図である。
２・・・・・・カム部
３・・・・・・溝FIG. 1(A) is a perspective view showing the state of a plurality of grooves formed on the surface of a cam portion of a camshaft according to an embodiment of the present invention;
Figure (B) is a sectional view of the cam portion in Figure (A), and Figure 2 is a process diagram showing the manufacturing process of a camshaft in an embodiment of the present invention. 2...Cam part 3...Groove
Claims (1)
法において、上記カム部表面に複数の溝を形成し、該溝
形成面に再溶融処理を施すことを特徴とする再溶融カム
シャフトの製造方法。A method for manufacturing a camshaft by remelting the surface of a cam part, characterized in that a plurality of grooves are formed on the surface of the cam part, and the groove-formed surface is subjected to remelting treatment. Method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24910689A JPH03115587A (en) | 1989-09-27 | 1989-09-27 | Production of remelted cam shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24910689A JPH03115587A (en) | 1989-09-27 | 1989-09-27 | Production of remelted cam shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03115587A true JPH03115587A (en) | 1991-05-16 |
Family
ID=17188045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24910689A Pending JPH03115587A (en) | 1989-09-27 | 1989-09-27 | Production of remelted cam shaft |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03115587A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997026388A2 (en) * | 1996-01-15 | 1997-07-24 | The University Of Tennessee Research Corporation | Laser induced surfaces |
| US6173886B1 (en) | 1999-05-24 | 2001-01-16 | The University Of Tennessee Research Corportion | Method for joining dissimilar metals or alloys |
| US6229111B1 (en) | 1999-10-13 | 2001-05-08 | The University Of Tennessee Research Corporation | Method for laser/plasma surface alloying |
| US6284067B1 (en) | 1999-07-02 | 2001-09-04 | The University Of Tennessee Research Corporation | Method for producing alloyed bands or strips on pistons for internal combustion engines |
| US6299707B1 (en) | 1999-05-24 | 2001-10-09 | The University Of Tennessee Research Corporation | Method for increasing the wear resistance in an aluminum cylinder bore |
| US6328026B1 (en) | 1999-10-13 | 2001-12-11 | The University Of Tennessee Research Corporation | Method for increasing wear resistance in an engine cylinder bore and improved automotive engine |
| US6350326B1 (en) | 1996-01-15 | 2002-02-26 | The University Of Tennessee Research Corporation | Method for practicing a feedback controlled laser induced surface modification |
| US6423162B1 (en) | 1999-07-02 | 2002-07-23 | The University Of Tennesse Research Corporation | Method for producing decorative appearing bumper surfaces |
| US6497985B2 (en) | 1999-06-09 | 2002-12-24 | University Of Tennessee Research Corporation | Method for marking steel and aluminum alloys |
| CN105624669A (en) * | 2016-03-11 | 2016-06-01 | 大连理工大学 | Sectioned laser cladding remanufacturing method with preheating and heat treatment for complex parts |
| CN106077985A (en) * | 2016-07-04 | 2016-11-09 | 阳泉煤业集团华越机械有限公司 | A kind of Laser Welding method of hydraulic jack post surface laser cladding corrosion resistant plate alive |
| CN113482738A (en) * | 2021-07-26 | 2021-10-08 | 西安理工大学 | Wear-resistant self-lubricating camshaft and production and manufacturing method thereof |
| CN114075642A (en) * | 2021-11-18 | 2022-02-22 | 曲作鹏 | Water-cooled wall induction fusion welding following type surface strengthening method |
-
1989
- 1989-09-27 JP JP24910689A patent/JPH03115587A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997026388A2 (en) * | 1996-01-15 | 1997-07-24 | The University Of Tennessee Research Corporation | Laser induced surfaces |
| WO1997026388A3 (en) * | 1996-01-15 | 1998-10-01 | Univ Tennessee Res Corp | Laser induced surfaces |
| US6350326B1 (en) | 1996-01-15 | 2002-02-26 | The University Of Tennessee Research Corporation | Method for practicing a feedback controlled laser induced surface modification |
| EA001503B1 (en) * | 1996-01-15 | 2001-04-23 | Дзе Юниверсити Оф Теннесси Рисерч Корпорейшн | Method for improving surface by laser treatment |
| US6299707B1 (en) | 1999-05-24 | 2001-10-09 | The University Of Tennessee Research Corporation | Method for increasing the wear resistance in an aluminum cylinder bore |
| US6173886B1 (en) | 1999-05-24 | 2001-01-16 | The University Of Tennessee Research Corportion | Method for joining dissimilar metals or alloys |
| US6497985B2 (en) | 1999-06-09 | 2002-12-24 | University Of Tennessee Research Corporation | Method for marking steel and aluminum alloys |
| US6284067B1 (en) | 1999-07-02 | 2001-09-04 | The University Of Tennessee Research Corporation | Method for producing alloyed bands or strips on pistons for internal combustion engines |
| US6423162B1 (en) | 1999-07-02 | 2002-07-23 | The University Of Tennesse Research Corporation | Method for producing decorative appearing bumper surfaces |
| US6229111B1 (en) | 1999-10-13 | 2001-05-08 | The University Of Tennessee Research Corporation | Method for laser/plasma surface alloying |
| US6328026B1 (en) | 1999-10-13 | 2001-12-11 | The University Of Tennessee Research Corporation | Method for increasing wear resistance in an engine cylinder bore and improved automotive engine |
| CN105624669A (en) * | 2016-03-11 | 2016-06-01 | 大连理工大学 | Sectioned laser cladding remanufacturing method with preheating and heat treatment for complex parts |
| CN106077985A (en) * | 2016-07-04 | 2016-11-09 | 阳泉煤业集团华越机械有限公司 | A kind of Laser Welding method of hydraulic jack post surface laser cladding corrosion resistant plate alive |
| CN113482738A (en) * | 2021-07-26 | 2021-10-08 | 西安理工大学 | Wear-resistant self-lubricating camshaft and production and manufacturing method thereof |
| CN114075642A (en) * | 2021-11-18 | 2022-02-22 | 曲作鹏 | Water-cooled wall induction fusion welding following type surface strengthening method |
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