TW200425976A - Process and apparatus of high frequency vibration for grain refinement of casting - Google Patents
Process and apparatus of high frequency vibration for grain refinement of casting Download PDFInfo
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- TW200425976A TW200425976A TW92114507A TW92114507A TW200425976A TW 200425976 A TW200425976 A TW 200425976A TW 92114507 A TW92114507 A TW 92114507A TW 92114507 A TW92114507 A TW 92114507A TW 200425976 A TW200425976 A TW 200425976A
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425976 五、發明說明(1) 發明背景 ,425976 V. Description of the invention (1) Background of the invention,
大多數情況下,各種鉍极认U 合金組織的基本要长2 φ功望有均勻細緻之組織,此為 室溫強度大,•多;寺殃:二匕的組織不但品質均句穩定’且 來,因此除單晶或方向a =異性此也由細化之組織發展出 於特殊狀況外,1妒二或非晶等特殊之合金組織係用 織,合金凝固過程中又::!儘量將合金組織控制成細晶組 製程之品質也對某歧後晶粒不但直接影響其後 塑。 一曼、、、貝、、、田化程序之加工道次及成本有影 "a 當材料組織更微細化至攻 材料之許多物理特性泊右二v、,甚至達奈米級程度,原始 微細化-直是材料界拉Ϊ能作更大之改變’戶斤以組織的 在-完整結構中要達】:;;發的研究題目。 促進成核並抑制成J 的細細化的機構主要是能 成核並不容易相:棘::熔融的金屬而言’在液態金屬内 凝固時要有一定所项二必須先越過能障才會進行,所以 成晶核的形成,而此冷量(Supercooling)才能促 : = :劑作成核劑之接種方法,但是 效性盘人全拉ΐ t 制,因此實用上限制彡,而且有 核種就石泪寺性直接相關。由液體内設法自行產生同質之 1 ώ ^二要考慮添加方法,分散方法,成分選擇等η 通。由合金液内部形成核種的方式有兩種,一種;::In most cases, the basic structure of various U-bismuth alloys is long. 2 φ work has a uniform and fine structure, which is strong at room temperature, and more; Temple: The structure of Erji is not only stable in quality, but also Therefore, in addition to single crystal or direction a = heterosexual, this also develops from the refined structure for special conditions. Special alloy structures such as 1 or 2 are used for weaving. During the alloy solidification process ::! Try to control the alloy structure to a fine grain group as far as possible. The quality of the process also directly affects the plasticity of a certain post-grain. The process and cost of the one-man ,,,,, and chemistries are affected. "When the material organization is more refined, many physical properties of the materials are attacked. The miniaturization-it is the pull of the material world that can make even greater changes. "The organization must be achieved in the complete structure." The mechanism that promotes nucleation and suppresses the fineness of J is mainly capable of nucleation and not easy to phase: spine :: molten metal, 'there must be a certain degree of solidification in liquid metal, and the energy barrier must be crossed first. The formation of nucleation nucleus, and this cooling (Supercooling) can promote: =: agent as a nucleating agent inoculation method, but the effectiveness of the full pull ΐ t system, so practically limit the tritium, and there are nuclear species Shi tear temple sex is directly related. From the liquid, try to produce homogeneous by itself. Second, we must consider the addition method, dispersion method, ingredient selection, etc. There are two ways to form nuclei from the inside of the alloy liquid: one ::
200425976200425976
法’ ^父知名的有MicroCast製程,可用於鑄製細晶轉子, 原理疋以接近炫點之模溫與金屬溫進行鑄造,接近熔點的 金屬液在進入模穴過程中產生過冷現象,此過冷可促進大 量核種的形成’而高模溫則可確保金屬液能順利的將模穴 $滿’但此法須精準的控制溫度,否則細化效果就不穩 疋。另一方法是以搖振方式,是於金屬凝固時藉一機械裝 置促使金屬液產生擾動,可算是屬於振動細化方法之一, 但所用頻率極低,有一名為G r a丨n e χ的製造方法即是如此 主要疋用於製造細晶渦輪轉子,此擾動可將一些凝固中之 樹1組織溶斷以作為成核劑,此法較易控制,但在固液比 高時就失去效果。法國教授Charles Vives曾使用超音波 式振器置入熔融金屬中進行組織細化,因許多金屬溫度高 易造成振動器損壞且易造成合金之污染。在已開發的^ = 中:於中華民國利3 4 3 4 0 5 9號中揭示有加細化劑及使用電 磁攪拌的作法。於中華民國專利第3722〇3號中也揭示有用 高週波式電磁攪拌作熱頂及細化,屬外部加攪拌振動源之 方式,感應式電磁攪拌只適於厚件如鑄錠等素材,具形狀 之工件則無法人有效進行電磁攪拌。於US625383 i揭示有 用超音波振動方式鑄製金屬基複材,其方式同Charles Vives,因波直接傳送至熔融金屬,因此有不耐 污染問題。 發明目的 本研究是以較實用的 有之易製性及保形性 方式,於細化過程中仍需保有製程原 ’但可將傳統材料組織細化以改善材The method known by the father is the MicroCast process, which can be used to cast fine-grained rotors. The principle is that the mold temperature is close to the dazzling point and the metal temperature. The metal liquid close to the melting point is overcooled during the process of entering the cavity. Undercooling can promote the formation of a large number of nuclear species, and high mold temperature can ensure that the metal liquid can fill the mold cavity smoothly. However, this method must accurately control the temperature, otherwise the refinement effect will be unstable. The other method is a shaking method, which uses a mechanical device to promote the disturbance of the metal liquid when the metal is solidifying. It can be regarded as one of the vibration refining methods, but the frequency used is extremely low. There is a manufacturing method called Gra This method is mainly used to make fine-grained turbine rotors. This disturbance can dissolve some solidified tree 1 tissues as nucleating agents. This method is easier to control, but loses its effect when the solid-liquid ratio is high. French professor Charles Vives once used an ultrasonic vibrator to refine the structure of molten metal. The high temperature of many metals can easily damage the vibrator and cause alloy pollution. In the developed ^ =: In the Republic of China No. 3 4 3 4 0 5 9 the method of adding a thinning agent and using electromagnetic stirring is disclosed. In the Republic of China Patent No. 3722-03, it is also disclosed that the use of high frequency electromagnetic stirring for hot top and refinement is a method of externally adding a vibration source of vibration. Inductive electromagnetic stirring is only suitable for thick parts such as ingots and other materials. Shaped workpieces cannot be effectively electromagnetically stirred. In US625383 i, a metal-based composite material was cast by ultrasonic vibration. The method is the same as that of Charles Vives. Since the wave is directly transmitted to the molten metal, it has a problem of resistance to contamination. Purpose of the invention This research is based on a more practical and easy-to-manufacture and shape-retaining method. In the process of refinement, it is still necessary to maintain the original process.
200425976 五、發明說明(3) ___ 料性質,所以並不以奈米作目標’細化程度 · 構可細化至微米或次微米晶粒之微細製程開發。、、' 本發明有鑑於前述已揭示之各種方法各有其優缺點 明即為開發出—種具有易控制,可保有易製性=、 用&金範圍廣等特點之晶粒組織細化。 ^ 發明内容 / 本發明之特點是使用超音波振動器作振動源,並選古 穿透力之超高頻範圍。高頻振波透過延伸ϋ j結鑄模’傳波機構包括延伸桿、鑄模固 ^丄二頻振波可經由傳波機構及鑄模傳至凝固中之金 :!=裝置在鑄模外不與炼融之高溫金屬直接接觸,如 溫之熔鑄環境,所以本發明可應用於各種合 二發之叙基合金及熔點高之鐵基合金等。 要包括振動產生器1、傳波機構2兩部分,振動動 頻震盪(10 kHz以上)之振^:^七担振氣動益係採用可產生高 器’控制器4可包括訊號產I;:作及=電式振盪 等,可選擇性的具有調整震動頻二^及f盪量測儀 度,G)、振動時機,振動J率(kHz)、震動強度(加速 波之延伸裝置6及鑄模;//U功^傳波機構2包括傳 的具有長度調整功㉟,鑄^置^ 2波延伸裝置可選擇性 夾定或拆卸鑄槿7夕士处 '彳、火疋衣置可選擇性的具有快速 電力傳輪,彳统配’固定座8及電繞9則用於固定及 糸統配置不意圖如圖1所示。 200425976200425976 V. Description of the invention (3) ___ The nature of the material is not the target, so the degree of refinement is fine. · The microfabrication process can be refined to micron or submicron grains. In view of the foregoing methods, the present invention has its own advantages and disadvantages, which is to develop a kind of grain structure refinement that has easy controllability and can maintain easy manufacturability. . ^ Summary of the invention / The present invention is characterized by using an ultrasonic vibrator as a vibration source and selecting the ultra-high frequency range of ancient penetration. The high-frequency vibration wave passes through the extension. The j-mold transmission mechanism includes the extension rod and the mold. The two-frequency vibration wave can be transmitted to the solidified gold through the transmission mechanism and the mold :! = The temperature outside the mold and the melting and melting The metal is in direct contact, such as a warm melting casting environment, so the present invention can be applied to a variety of hybrid alloys and high-melting iron-based alloys. To include two parts of the vibration generator 1, the transmission mechanism 2, the vibration of the vibrational frequency (more than 10 kHz) ^: ^ The seven load vibration pneumatic system uses a generator that can generate a 'controller 4 can include signal production I ;: It can be used to adjust the vibration frequency, electrical vibration, etc., optionally, it can adjust the vibration frequency, ^ and f oscillometer, G), the vibration timing, the vibration J rate (kHz), the vibration intensity (the extension device of the acceleration wave 6 and the mold). ; // U power ^ The wave transmission mechanism 2 includes a length adjustment function, and the casting ^ 2 wave extension device can be selectively clamped or disassembled. It has a fast power transmission wheel, and the system is equipped with a fixed seat 8 and an electric winding 9 for fixing and the system configuration is not intended as shown in Figure 1. 200425976
實施例l 功效’特別選擇多孔質脫錯鑄造陶模進 大…Lf陶模是—般相信為高阻尼易吸;皮之 序製作陶振動之效果。實驗是依脫蜡鑄造程 ί:ΓΓ二 不鏽鋼炫轉程序溶解1HPH合金,鑄入 振動狀況與未加振動狀況作比對,完成之 小,各試驗狀況及:ΐ=Γ金相分析方法分析晶粒大 表1. 17-4ΡΗ不銹鋼實施例之工作條 試驗號震盪頻率振動強度振動時間Example l Efficacy: The porous ceramic mold was specially selected to advance into a large ... Lf ceramic mold is generally believed to be highly damping and easy to suck; the effect of the skin order to produce ceramic vibration. The experiment is based on the dewaxing casting process: ΓΓ The two stainless steels dissolve the 1HPH alloy, the casting vibration state is compared with the unadded vibration state, and the completion is small. The test conditions and: ΐ = Γ metallographic analysis method to analyze the crystal Grain size table 1. 17-4PΗ stainless steel example work bar test number vibration frequency vibration intensity vibration time
试驗1 試驗2 試驗2 试驗2 试驗3 試驗4 試驗5 試驗5 未加振動 ΙΟΚΗζ ΙΟΚΗζ 20KHz 20KHz 20kHz 50kHz 50kHzTest 1 Test 2 Test 2 Test 2 Test 3 Test 4 Test 5 Test 5 Without vibration ΙΟΚΗζ ΙΟΚΗζ 20KHz 20KHz 20kHz 50kHz 50kHz
0 20G 50G 10G 30G 50G 10G 30G 0 30Se 3 0 Sec 3 0 Sec 3 0 Sec 3 0 Sec 3 0 Sec 3 0 Sec c 晶粒大小(微米) 67 50 47. 8 63. 2 48. 2 40. 4 57. 2 47. 80 20G 50G 10G 30G 50G 10G 30G 0 30Se 3 0 Sec 3 0 Sec 3 0 Sec 3 0 Sec 3 0 Sec 3 0 Sec c Grain size (microns) 67 50 47. 8 63. 2 48. 2 40. 4 57 . 2 47. 8
實施例2 實施例2是採用與實施例相 合金為鋁基合金A357。各試驗狀況及結果如表2 表2· A35 7 合金之試驗條# 同之試驗方式,只是所熔禱,Example 2 Example 2 uses an aluminum-based alloy A357 as an alloy with the example. The test status and results are shown in Table 2. Table 2. A35 7 alloy test strip # Same test method, but only by melting.
第9頁 200425976 五、發明說明(5) 試驗號震盪頻率振動強度振動時間晶粒大小(微米) 試驗1 未加振動 0 0 103 試驗2 ΙΟΚΗζ 15G 3 0 Sec 82.2 試驗2 ΙΟΚΗζ 20G 3 0 Sec 75 試驗2 30KHz 20G 3 0 Sec 60 試驗3 150kHz 75G 3 0 Sec 45Page 9 200425976 V. Description of the invention (5) Test number Oscillation frequency Vibration intensity Vibration time Grain size (micron) Test 1 No vibration 0 0 103 Test 2 ΙΟΚΗζ 15G 3 0 Sec 82.2 Test 2 ΙΟΚΗζ 20G 3 0 Sec 75 Test 2 30KHz 20G 3 0 Sec 60 Test 3 150kHz 75G 3 0 Sec 45
第10頁 200425976 圖式簡單說明 4 » 元件代碼表 1 振動產生器 2傳波機構 3振動器 4控制器 5鑄模夾定裝置 6延伸裝置 7鑄模 8 固定座 9電纜 · 圖不說明 圖1 振動細化裝置示意圖 圖2 17-4PH未振動之組織金相 圖3 1 7 - 4 Ρ Η經振動細化之組織金相 圖4 A 3 5 7未振動之組織金相 圖5 A 3 5 7經振動細化之組織金相Page 10 200425976 Simple illustration 4 »Component code table 1 Vibration generator 2 Wave transmission mechanism 3 Vibrator 4 Controller 5 Mold clamping device 6 Extension device 7 Mold 8 Fixing base 9 Cable · The figure does not explain Figure 1 Schematic diagram of the chemical device 2 17-4PH Metallographic diagram of the unvibrated structure 3 1 7-4 ρ 振动 Vibration refined micrograph of the structure 4 A 3 5 7 Metallographic diagram of unvibrated structure 5 A 3 5 7 Vibration Fine organization metallography
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Publication number | Priority date | Publication date | Assignee | Title |
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CN103658594A (en) * | 2013-11-27 | 2014-03-26 | 大连亚明汽车部件股份有限公司 | Circulation mounting and demounting device for inserts in pressure casting |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN103658594A (en) * | 2013-11-27 | 2014-03-26 | 大连亚明汽车部件股份有限公司 | Circulation mounting and demounting device for inserts in pressure casting |
CN103658594B (en) * | 2013-11-27 | 2016-01-20 | 大连亚明汽车部件股份有限公司 | The circulation handler of inserts in die casting |
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