公开(公告)号：US5529809A

公开(公告)日：1996-06-25

申请号：US192691

申请日：1994-02-07

申请人： Ronald J. Glovan ,  John C. Tierney ,  Leroy L. McLean ,  Lawrence L. Johnson ,  Gordon L. Nelson ,  Ying-Ming Lee

发明人： Ronald J. Glovan ,  John C. Tierney ,  Leroy L. McLean ,  Lawrence L. Johnson ,  Gordon L. Nelson ,  Ying-Ming Lee

IPC分类号： B05B7/16 ,  C23C4/12 ,  B05D1/02 ,  B05C5/04

CPC分类号： B05B7/168 ,  B05B7/1613 ,  B05B7/1646 ,  C23C4/123

摘要： A metal spray apparatus is provided with a supersonic nozzle. Molten metal is injected into a gas stream flowing through the nozzle under pressure. By varying the pressure of the injected metal, the droplet can be made in various selected sizes with each selected size having a high degree of size uniformity. A unique one piece graphite heater provides easily controlled uniformity of temperature in the nozzle and an attached tundish which holds the pressurized molten metal. A unique U-shaped gas heater provides extremely hot inlet gas temperatures to the nozzle. A particularly useful application of the spray apparatus is coating of threads of a fastener with a shape memory alloy. This permits a fastener to be easily inserted and removed but provides for a secure locking of the fastener in high temperature environments.

摘要翻译： 金属喷涂装置设有超音速喷嘴。 将熔融金属在压力下注入流经喷嘴的气流中。 通过改变注入的金属的压力，可以使各个选定的尺寸具有高度尺寸均匀性的各种尺寸的液滴。 独特的一体式石墨加热器提供了容易控制的喷嘴温度均匀性以及保持加压熔融金属的中间包。 独特的U形气体加热器为喷嘴提供了非常热的入口气体温度。 喷涂装置的特别有用的应用是用形状记忆合金涂覆紧固件的螺纹。 这允许紧固件容易地插入和移除，但是提供紧固件在高温环境中的牢固锁定。

公开(公告)号：US5484244A

公开(公告)日：1996-01-16

申请号：US192696

申请日：1994-02-07

申请人： Ronald J. Glovan ,  John C. Tierney ,  Leroy L. McLean ,  Lawrence L. Johnson

发明人： Ronald J. Glovan ,  John C. Tierney ,  Leroy L. McLean ,  Lawrence L. Johnson

IPC分类号： F16B1/00 ,  F16B39/22 ,  F16B35/04 ,  B23P11/02 ,  F16B37/16

CPC分类号： F16B1/0014 ,  F16B39/225 ,  C08L2201/12 ,  Y10S411/902 ,  Y10S411/909 ,  Y10T29/49865

摘要： A threaded fastener with a shape memory alloy (SMA) coatings on its threads is disclosed. The fastener has special usefulness in high temperature applications where high reliability is important. The SMA coated fastener is threaded into or onto a mating threaded part at room temperature to produce a fastened object. The SMA coating is distorted during the assembly. At elevated temperatures the coating tries to recover its original shape and thereby exerts locking forces on the threads. When the fastened object is returned to room temperature the locking forces dissipate. Consequently the threaded fasteners can be readily disassembled at room temperature but remains securely fastened at high temperatures.A spray technique is disclosed as a particularly useful method of coating of threads of a fastener with a shape memory alloy.

摘要翻译： 公开了一种在其螺纹上具有形状记忆合金（SMA）涂层的螺纹紧固件。 紧固件在高可靠性很重要的高温应用中具有特殊的用途。 SMA涂层的紧固件在室温下被拧入配合螺纹部件中或其上，以产生紧固的物体。 组装过程中SMA涂层变形。 在高温下，涂层试图恢复其原始形状，从而对螺纹施加锁定力。 当固定物体恢复到室温时，锁定力消散。 因此，螺纹紧固件可以在室温下容易地拆卸，但是在高温下可靠地紧固。 公开了喷雾技术作为用形状记忆合金涂覆紧固件的线的特别有用的方法。

公开(公告)号：US5459811A

公开(公告)日：1995-10-17

申请号：US192697

申请日：1994-02-07

申请人： Ronald J. Glovan ,  John C. Tierney ,  Leroy L. McLean ,  Lawrence L. Johnson ,  David J. Verbael

发明人： Ronald J. Glovan ,  John C. Tierney ,  Leroy L. McLean ,  Lawrence L. Johnson ,  David J. Verbael

IPC分类号： B05B7/16 ,  C23C4/12 ,  F24H3/04 ,  H05B3/14 ,  H05B3/42 ,  B05B1/00 ,  F24H1/00 ,  H05B3/00

CPC分类号： F24H3/0405 ,  B05B7/164 ,  C23C4/123 ,  H05B3/145 ,  H05B3/42

摘要： An electrically heated metal spray apparatus is provided with a supersonic nozzle. Molten metal is injected into a gas stream flowing through the nozzle under pressure. By varying the pressure of the injected metal, the droplet can be made in various selected sizes with each selected size having a high degree of size uniformity. A unique one piece graphite heater provides easily controlled uniformity of temperature in the nozzle and an attached tundish which holds the pressurized molten metal. A unique U-shaped gas heater provides extremely hot inlet gas temperatures to the nozzle. A particularly useful application of the spray apparatus is coating of threads of a fastener with a shape memory alloy. This permits a fastener to be easily inserted and removed but provides for a secure locking of the fastener in high temperature environments.

摘要翻译： 电加热金属喷涂装置设有超音速喷嘴。 将熔融金属在压力下注入流经喷嘴的气流中。 通过改变注入的金属的压力，可以使各个选定的尺寸具有高度尺寸均匀性的各种尺寸的液滴。 独特的一体式石墨加热器提供了容易控制的喷嘴温度均匀性以及保持加压熔融金属的中间包。 独特的U形气体加热器为喷嘴提供了非常热的入口气体温度。 喷涂装置的特别有用的应用是用形状记忆合金涂覆紧固件的螺纹。 这允许紧固件容易地插入和移除，但是提供紧固件在高温环境中的牢固锁定。