檢視还原性气氛的原始碼

[[File:还原性气氛.jpg|缩略图|[https://image.baidu.com/search/detail?ct=503316480&z=0&ipn=d&word=%E8%BF%98%E5%8E%9F%E6%80%A7%E6%B0%94%E6%B0%9B&step_word=&hs=0&pn=6&spn=0&di=154110&pi=0&rn=1&tn=baiduimagedetail&is=0%2C0&istype=0&ie=utf-8&oe=utf-8&in=&cl=2&lm=-1&st=undefined&cs=3305512930%2C1736723349&os=1777204160%2C643823807&simid=3434257996%2C158496624&adpicid=0&lpn=0&ln=1748&fr=&fmq=1621140746702_R&fm=&ic=undefined&s=undefined&hd=undefined&latest=undefined&copyright=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&ist=&jit=&cg=&bdtype=0&oriquery=&objurl=https%3A%2F%2Fgimg2.baidu.com%2Fimage_search%2Fsrc%3Dhttp%3A%2F%2F5b0988e595225.cdn.sohucs.com%2Fimages%2F20180928%2F99ead0fc16a6412db18f0d48e12024c6.jpeg%26refer%3Dhttp%3A%2F%2F5b0988e595225.cdn.sohucs.com%26app%3D2002%26size%3Df9999%2C10000%26q%3Da80%26n%3D0%26g%3D0n%26fmt%3Djpeg%3Fsec%3D1623732770%26t%3Df69beec6baa9c7f7d3f16b0994c1fca4&fromurl=ippr_z2C%24qAzdH3FAzdH3Fooo_z%26e3Bf5i7_z%26e3Bv54AzdH3FwAzdH3Fdcmmmddan_90dl80&gsm=7&rpstart=0&rpnum=0&islist=&querylist=&force=undefined 原图链接][https://www.sohu.com/a/256662203_472917 来自搜狐]]]
'''还原性气氛'''（Reducing atmosphere）是指各种还原性气体和气体混合物。在钎焊过程中，这些还原性气体和气体混合物除保证钎焊区的低氧分压外，还能将氧化膜还原。还原性气体主要是氢和一氧化碳，但一氧化碳的还原性较氢气要弱的多。