185-DEG C lead-free low-temperature alloy for fuse burned-out core and preparation method thereof
A low-temperature alloy and fuse technology, applied in the field of alloys, can solve problems such as harm to human health and environmental pollution, and achieve the effects of low cost, uniform composition, good social and economic benefits
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[0025] The present invention is further described below in conjunction with specific embodiment; It should be emphasized that: for those of ordinary skill in the art, can improve or change according to the above description, and all these improvements and changes should belong to the appended claims of the present invention protected range.
[0026] A lead-free low-temperature alloy for a 185°C fuse fuse core, the specific composition of which is Sn 82.5 Cu 0.5 In 14 Ag 3 , the specific ingredients and weight ratio are as follows:
[0027] Cu: 0.5%;
[0028] Ag: 3%;
[0029] In: 15%;
[0030] Sn: 82.5%.
[0031] You can also use the ratio in the following table, the sum is 100%
[0032] chemical composition%
sn
Cu
In
Ag
100%
81.5-83.5
0.4-0.6
13.5-14.5
2.8-3.2
[0033] A method for preparing a 185°C fuse fuse core lead-free low-temperature alloy, the steps are:
[0034] ⑴Put metal tin into a stainless steel cruc...
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