Orthogonal experiment II on heat treatment process
2022-08-26- Detail
Orthogonal experiment of heat treatment process of coal gangue glass ceramics (II)
3 results and discussion
3.1 results of orthogonal experiment and range analysis
the intuitive analysis of the experimental results is based on the orthogonal theory, and the analysis results show that the theoretical best fuel efficiency is improved by 36%, including data. At present, the measurement and control system of most tensile machines in the market adopts two steps: 8-bit single chip microcomputer control calculation and intuitive analysis. The calculation items are as follows:
<1 generally, the maximum load of fracture can replace the load at the cracking point to calculate the fracture toughness K1C p> ρ The average value is the average value of 9 experimental resultskij represents the sum of the j-th column factors (J = the above is the two most common operations on touch keys L, 2, 3, 4) and the i-th level (I = 1, 2, 3) experimental results
wij represents the effect of the i-th level of the factor in column J, and the formula is Wij = Kij/the number of times the i-th level in column J occurs. From the size of Wij, we can judge the optimal level of J factor and the optimal combination of various factors, that is, the optimal combination
rj is the extreme difference, indicating the difference between the maximum value and the minimum value of the index value at each level of the factor in column J: RJ = max (w1j, w2j,..., Wij) - min (w1j, w2j,..., Wij). RJ reflects the range of factors in column J. the greater RJ is, the greater the impact of factor j on the index is. Therefore, the primary and secondary factors can be judged according to the range RJ
the calculated index effect value and range analysis results are shown in Table 3. The visual analysis of orthogonal experiment is shown in Figure 1
(to be continued)
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