中文摘要：

采用单辊法制备了宽3．2mm、厚25μm的Fe73．5Cu1Nb3Si13.5B9非晶薄带，利用4294A型阻抗分析仪测试了非晶薄带的压磁效应。结果表明：当测试频率较低时，非晶薄带的压磁效应较弱，随着测试频率的升高，非晶薄带的压磁效应出现了明显的增强；与淬火态非晶薄带相比，退火可以改变非晶薄带的压磁效应，且经300℃×2h退火后，非晶薄带的压磁效应最强，当测试压应力为1．05MPa，测试频率为50MHz时，淬火态非晶薄带的压磁效应为0．75％，而退火后非晶薄带的压磁效应可达0．97％。

英文摘要：

FeCuNbSiB amorphous alloy ribbons with 25 μm thickness and 3. 2 mm width were manufactured by single-roller method, the stress impedance effect of ribbons was investigated by 4294A impedance analyzer. The results show when the test frequency is lower, the stress impedance effect of ribbons is smaller, the stress impedance effect of ribbons appeare obvious strengthening along with the frequency elevating; the stress impedance effect of ribbons are changed after annealing, and the stress impedance effect of ribbons is the biggest after 300℃ × 2 h annealing , At 50 MHz and 1.05 MPa, the stress impedance effet of 300℃ ×2 h annealed ribbons can be reached to 0. 97%. but only 0. 75% for quenching state ribbons.