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Connection body manufacturing method, connection body and metal product

A manufacturing method and connecting body technology, applied in the direction of manufacturing tools, metal processing equipment, welding equipment, etc., can solve problems such as connecting body damage

Active Publication Date: 2016-12-21
MOLES ACT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when using a connected body that is quenched to increase the hardness of the connected body manufactured by the above method, since the hardness of the first metal member and the second metal member increases due to the quenching treatment, the first metal member and the second metal member are hardened. 2. When the connecting body is used under the condition of a large temperature difference between the metal components, there is a problem that the thermal stress generated by the temperature difference exceeds the limit of the connecting force and the connecting body may be damaged.

Method used

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  • Connection body manufacturing method, connection body and metal product
  • Connection body manufacturing method, connection body and metal product
  • Connection body manufacturing method, connection body and metal product

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0075] figure 1 It is a flowchart shown for explaining the method of manufacturing a connected body according to the first embodiment.

[0076] figure 2 It is a figure shown for demonstrating the connection body manufacturing method concerning Embodiment 1. figure 2 (a) is a figure shown for explaining metal member preparation process S1, figure 2 (b) with figure 2 (c) is a figure shown for explaining the connection body forming process S2, figure 2 (d) is a figure shown in order to demonstrate surface cutting process S3, figure 2 (e) is a figure shown in order to demonstrate covering process S4, figure 2 (f) is a figure shown for demonstrating smoothing process S6. and, figure 2 (a)~ figure 2 Each figure in (f) shows a part of the part that becomes the connecting body 10 (refer to later-mentioned Figure 4 Schematic diagram of symbol B). In addition, in figure 2 In , the illustration of the heat exchange channel 19 is omitted. Moreover, in figure 2 In...

Embodiment

[0146] Image 6 It is a photograph shown for explaining the connected body (the whole is not shown) concerning an Example. Image 6 (a) is an enlarged optical photograph of a cross-section of the connector, Image 6 (b) is an electron micrograph of a cross-section of the linker. Moreover, in Image 6 The hardness transition regions shown in (the first hardness transition region 13a, the second hardness transition region 15a, the third hardness transition region 21a, the fourth hardness transition region 23a and the fifth hardness transition region 25a) are approximate ranges and are not intended to Be sure to take a photo of the actual range correctly.

[0147] Figure 7 It is a graph shown in order to demonstrate the linker concerning an Example. exist Figure 7 In the graph of , the vertical axis represents the hardness, and the horizontal axis represents the number of measurement points. In addition, hardness measurement was performed by the micro-Vickers hardness me...

Embodiment approach 2

[0153] Figure 8 It is a flowchart shown for explaining the method of manufacturing a connected body according to the second embodiment.

[0154] Figure 9 It is a figure shown for demonstrating the connection body manufacturing method concerning Embodiment 2. Figure 9 (a) is a figure shown for explaining metal member preparation process S11, Figure 9 (b) with Figure 9 (c) is a figure shown for demonstrating the connection body formation process S12. and, Figure 9 (a)~ Figure 9 Each figure of (c) is a schematic diagram which shows the part of the part which becomes the connection body 30 (the whole is not shown).

[0155] The connecting body manufacturing method according to Embodiment 2 is basically the same method as the connecting body manufacturing method according to Embodiment 1, but differs from the connecting body manufacturing method according to Embodiment 1 in that the steps after the surface cutting step are not included. method. That is, if Figure 8...

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Abstract

The invention provides a method for producing a connector, a connector and metal goods. The method for producing a connector can manufacture a connector which is hard to break even the connector is used when large temperature difference is generated between a first metal component and a second component. Specifically, a connector forming process is included in which the first metal component, the second component and a third metal component are connected to form a connector when the third component is located between the first component and the second component. The connector forming process includes a solid connecting process in which metal components are connected under the condition that the third metal with lower longitudinal elastic coefficient and hardness is located between the first component and the second component; and a hardness transition region forming process in which heat treatment is performed so that a first hardness transition region is formed bear a connecting surface between the first component and the third component and a second hardness transition region is formed bear a connecting surface between the second component and the third component.

Description

technical field [0001] The invention relates to a connecting body manufacturing method, a connecting body and a metal product. Background technique [0002] Figure 10 It is a flow chart shown in order to explain the conventional manufacturing method of a connected body. [0003] Figure 11 It is a figure shown for explaining the conventional method of manufacturing a connected body. Figure 11 (a) is a figure shown in order to demonstrate metal member preparation process S91, Figure 11 (b) and 11(c) are figures shown for demonstrating the connection body formation process S92. [0004] Conventionally, a connected body manufacturing method for manufacturing a connected body by connecting a plurality of metal members is known (for example, refer to Patent Document 1). The existing connecting body manufacturing method is a method that is especially suitable for connecting steel members containing Cr to make a connecting body, specifically, as Figure 10 and Figure 11 As...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K28/00
CPCB23K20/1235B23K20/20B23K20/22
Inventor 北澤敏明
Owner MOLES ACT