▁allo ys , ▁through ▁ion ▁impl ant ation ▁or ▁ion ▁beam ▁de position , ▁results ▁in ▁a ▁spect ac ular ▁increase ▁in ▁surface ▁resistance ▁and ▁micro hard ness . ▁Las er ▁al loy ing ▁has ▁also ▁been ▁successfully ▁used ▁for ▁the ▁same ▁purpose . ▁These ▁bor ides ▁are ▁an ▁alternative ▁to ▁diam ond ▁co ated ▁tools , ▁and ▁their ▁( tre ated ) ▁surfaces ▁have ▁similar ▁properties ▁to ▁those ▁of ▁the ▁bulk ▁bor ide . ▁ ▁For ▁example , ▁r hen ium ▁di bor ide ▁can ▁be ▁produced ▁at ▁ambient ▁press ures , ▁but ▁is ▁rather ▁expensive ▁because ▁of ▁r hen ium . ▁The ▁hard ness ▁of ▁Re B 2 ▁exhib its ▁considerable ▁an is ot ropy ▁because ▁of ▁its ▁hex ag onal ▁layer ed ▁structure . ▁Its ▁value ▁is ▁compar able ▁to ▁that ▁of ▁t ung sten ▁car b ide , ▁sil icon ▁car b ide , ▁tit an ium ▁di bor ide ▁or ▁z ir con ium ▁di bor ide . ▁Similarly , ▁Al M g B 1 4 ▁+ ▁Ti B 2 ▁compos ites ▁possess ▁high ▁hard ness ▁and ▁wear ▁resistance ▁and ▁are ▁used ▁in ▁either ▁bulk ▁form ▁or ▁as ▁coat ings ▁for ▁components ▁exposed ▁to ▁high ▁temper atures ▁and ▁wear ▁loads . ▁ ▁D eter gent ▁form ulations ▁and ▁ble aching ▁agents ▁Bor ax ▁is ▁used ▁in ▁various ▁household ▁la und ry ▁and ▁clean ing ▁products , ▁including ▁the ▁" 2 0 ▁M ule ▁Team ▁Bor ax " ▁la und ry ▁boost er ▁and ▁" B or ax o