在钢中添加0.07%B可显著提高钢的淬透性。硼加入18%Cr、8%Ni的不锈钢中经过处理可使沉淀硬化,改善高温强度和硬度。在铸铁中硼会影响石墨化,因而增加白口的深度使其冷硬耐磨。在可锻铸铁中加入0.001%~0.005%的硼,有利形成球墨和改善其分布状况。低铝、低碳硼铁是非晶态合金的主要原材料。根据GB5682-87标准,我国硼铁分为低碳和中碳两类8个牌号。
n. ferroboron
misc. ferro-boron
C)或高硼硼铁(B-Fe)为供硼剂,碳化硼含硼量高(B>78%),具有还原性,是一种优质的供硼剂,采用碳化硼的固体硼氮共渗剂可形成FeB十FeiB双相或单相Fez...
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辽东硼铁矿床是一处类型独特的超大型矿床。
The uranium-bearing vonsenite deposit in Liaodong (eastern Liaoning) is a unique and superlarge deposit.
翁泉沟硼铁矿床赋存于早元古宙辽河群里尔峪组。
Wengquangou boron-iron deposit occurred within the rocks of Lieryu Formation in Liaohe Group, early Proterozoic.
通过在焊条药皮中加入氧化硼或硼铁向焊缝渗入微量硼。
Small amounts of boron were transferred from the electrode to weld metal by adding boron oxide or ferroboron powder to the electrode covering.
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